diff --git a/libswscale/x86/rgb_2_rgb.asm b/libswscale/x86/rgb_2_rgb.asm
index c4aa8d883c..45a21dd0bf 100644
--- a/libswscale/x86/rgb_2_rgb.asm
+++ b/libswscale/x86/rgb_2_rgb.asm
@@ -259,6 +259,8 @@ UYVY_TO_YUV422
 
 INIT_XMM avx
 UYVY_TO_YUV422
+%if HAVE_AVX2_EXTERNAL
 INIT_YMM avx2
 UYVY_TO_YUV422
 %endif
+%endif