diff --git a/configure b/configure
index 46a98e0b00..e2210e8415 100755
--- a/configure
+++ b/configure
@@ -6583,15 +6583,20 @@ enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_
 # Media SDK or Intel Media Server Studio, these don't come with
 # pkg-config support.  Instead, users should make sure that the build
 # can find the libraries and headers through other means.
-enabled libmfx            && { { check_pkg_config libmfx "libmfx >= 1.28 libmfx < 2.0" "mfx/mfxvideo.h" MFXInit ||
-                                 { require libmfx "mfx/mfxvideo.h mfx/mfxdefs.h" MFXInit "-llibmfx $advapi32_extralibs" &&
-                                   { test_cpp_condition mfx/mfxdefs.h "MFX_VERSION >= 1028 && MFX_VERSION < 2000" || die "ERROR: libmfx version must be >= 1.28 and < 2.0"; }  &&
-                                   warn "using libmfx without pkg-config"; } } &&
-                                 warn "build FFmpeg against libmfx 1.x, obsolete features of libmfx such as OPAQUE memory,\n"\
-                                   "multi-frame encode, user plugins and LA_EXT rate control mode are enabled"; }
+enabled libmfx            && { { check_pkg_config libmfx "libmfx >= 1.28 libmfx < 2.0" "mfxvideo.h" MFXInit ||
+# Some old versions of libmfx have the following settings in libmfx.pc:
+#   includedir=/usr/include
+#   Cflags: -I${includedir}
+# So add -I${includedir}/mfx to CFLAGS
+                                 { check_pkg_config libmfx "libmfx >= 1.28 libmfx < 2.0" "mfx/mfxvideo.h" MFXInit && add_cflags -I${libmfx_incdir}/mfx; } ||
+                                 { require libmfx "mfxvideo.h mfxdefs.h" MFXInit "-llibmfx $advapi32_extralibs" &&
+                                   { test_cpp_condition mfxdefs.h "MFX_VERSION >= 1028 && MFX_VERSION < 2000" || die "ERROR: libmfx version must be >= 1.28 and < 2.0"; }  &&
+                                     warn "using libmfx without pkg-config"; } } &&
+                               warn "build FFmpeg against libmfx 1.x, obsolete features of libmfx such as OPAQUE memory,\n"\
+                                    "multi-frame encode, user plugins and LA_EXT rate control mode are enabled"; }
 
 if enabled libmfx; then
-   check_cc MFX_CODEC_VP9 "mfx/mfxdefs.h mfx/mfxstructures.h" "MFX_CODEC_VP9"
+   check_cc MFX_CODEC_VP9 "mfxdefs.h mfxstructures.h" "MFX_CODEC_VP9"
 fi
 
 enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index d660920e02..c56e32ed1f 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -18,9 +18,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <mfx/mfxvideo.h>
-#include <mfx/mfxplugin.h>
-#include <mfx/mfxjpeg.h>
+#include <mfxvideo.h>
+#include <mfxplugin.h>
+#include <mfxjpeg.h>
 
 #include <stdio.h>
 #include <string.h>
@@ -38,7 +38,7 @@
 
 #define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
 
-#include "mfx/mfxvp8.h"
+#include "mfxvp8.h"
 
 int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
 {
diff --git a/libavcodec/qsv.h b/libavcodec/qsv.h
index b77158ec26..04ae0d6f34 100644
--- a/libavcodec/qsv.h
+++ b/libavcodec/qsv.h
@@ -21,7 +21,7 @@
 #ifndef AVCODEC_QSV_H
 #define AVCODEC_QSV_H
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/buffer.h"
 
diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h
index 8131acdae9..cb1e55ae30 100644
--- a/libavcodec/qsv_internal.h
+++ b/libavcodec/qsv_internal.h
@@ -39,7 +39,7 @@
 #include "libavutil/hwcontext_vaapi.h"
 #endif
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/frame.h"
 
diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
index d8283b9207..edbe7bcdee 100644
--- a/libavcodec/qsvdec.c
+++ b/libavcodec/qsvdec.c
@@ -27,7 +27,7 @@
 #include <string.h>
 #include <sys/types.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/common.h"
 #include "libavutil/fifo.h"
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 7594091a4b..e772bd99b5 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -25,7 +25,7 @@
 
 #include <string.h>
 #include <sys/types.h>
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/common.h"
 #include "libavutil/hwcontext.h"
diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
index bffe957526..4cadc38a59 100644
--- a/libavcodec/qsvenc.h
+++ b/libavcodec/qsvenc.h
@@ -26,7 +26,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/avutil.h"
 #include "libavutil/fifo.h"
diff --git a/libavcodec/qsvenc_h264.c b/libavcodec/qsvenc_h264.c
index 7756dc1789..64c22852d2 100644
--- a/libavcodec/qsvenc_h264.c
+++ b/libavcodec/qsvenc_h264.c
@@ -24,7 +24,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
index b09640365c..1d92b8ec13 100644
--- a/libavcodec/qsvenc_hevc.c
+++ b/libavcodec/qsvenc_hevc.c
@@ -22,7 +22,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
diff --git a/libavcodec/qsvenc_jpeg.c b/libavcodec/qsvenc_jpeg.c
index c5b6a406a5..582886c7c0 100644
--- a/libavcodec/qsvenc_jpeg.c
+++ b/libavcodec/qsvenc_jpeg.c
@@ -22,7 +22,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
diff --git a/libavcodec/qsvenc_mpeg2.c b/libavcodec/qsvenc_mpeg2.c
index 7340ece9a9..8ed578c396 100644
--- a/libavcodec/qsvenc_mpeg2.c
+++ b/libavcodec/qsvenc_mpeg2.c
@@ -22,7 +22,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
diff --git a/libavcodec/qsvenc_vp9.c b/libavcodec/qsvenc_vp9.c
index 3662df1823..7ae392da75 100644
--- a/libavcodec/qsvenc_vp9.c
+++ b/libavcodec/qsvenc_vp9.c
@@ -22,7 +22,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
diff --git a/libavfilter/qsvvpp.h b/libavfilter/qsvvpp.h
index 4fe07ab1f7..543c58a967 100644
--- a/libavfilter/qsvvpp.h
+++ b/libavfilter/qsvvpp.h
@@ -24,7 +24,7 @@
 #ifndef AVFILTER_QSVVPP_H
 #define AVFILTER_QSVVPP_H
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "avfilter.h"
 #include "libavutil/fifo.h"
diff --git a/libavfilter/vf_deinterlace_qsv.c b/libavfilter/vf_deinterlace_qsv.c
index fb54d179ed..b8ff3e8339 100644
--- a/libavfilter/vf_deinterlace_qsv.c
+++ b/libavfilter/vf_deinterlace_qsv.c
@@ -21,7 +21,7 @@
  * deinterlace video filter - QSV
  */
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include <stdio.h>
 #include <string.h>
diff --git a/libavfilter/vf_scale_qsv.c b/libavfilter/vf_scale_qsv.c
index da3c2eca86..af0e85bd03 100644
--- a/libavfilter/vf_scale_qsv.c
+++ b/libavfilter/vf_scale_qsv.c
@@ -21,7 +21,7 @@
  * scale video filter - QSV
  */
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include <stdio.h>
 #include <string.h>
diff --git a/libavutil/hwcontext_opencl.c b/libavutil/hwcontext_opencl.c
index 32aec7d228..247834aaf6 100644
--- a/libavutil/hwcontext_opencl.c
+++ b/libavutil/hwcontext_opencl.c
@@ -47,7 +47,7 @@
 
 #if HAVE_OPENCL_VAAPI_INTEL_MEDIA
 #if CONFIG_LIBMFX
-#include <mfx/mfxstructures.h>
+#include <mfxstructures.h>
 #endif
 #include <va/va.h>
 #include <CL/cl_va_api_media_sharing_intel.h>
diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 56dffa1f25..99735f5557 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -20,7 +20,7 @@
 #include <stdint.h>
 #include <string.h>
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 #include "config.h"
 
diff --git a/libavutil/hwcontext_qsv.h b/libavutil/hwcontext_qsv.h
index b98d611cfc..42e34d0dda 100644
--- a/libavutil/hwcontext_qsv.h
+++ b/libavutil/hwcontext_qsv.h
@@ -19,7 +19,7 @@
 #ifndef AVUTIL_HWCONTEXT_QSV_H
 #define AVUTIL_HWCONTEXT_QSV_H
 
-#include <mfx/mfxvideo.h>
+#include <mfxvideo.h>
 
 /**
  * @file