diff --git a/configure b/configure
index d6e78297fe..0ab0761011 100755
--- a/configure
+++ b/configure
@@ -2301,7 +2301,7 @@ SYSTEM_FEATURES="
 SYSTEM_FUNCS="
     access
     aligned_malloc
-    arc4random
+    arc4random_buf
     clock_gettime
     closesocket
     CommandLineToArgvW
@@ -6381,7 +6381,7 @@ check_func  ${malloc_prefix}memalign            && enable memalign
 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
 
 check_func  access
-check_func_headers stdlib.h arc4random
+check_func_headers stdlib.h arc4random_buf
 check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
 check_func  fcntl
 check_func  fork
diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c
index 2980e565e0..f167b172f2 100644
--- a/libavutil/random_seed.c
+++ b/libavutil/random_seed.c
@@ -142,7 +142,7 @@ int av_random_bytes(uint8_t* buf, size_t len)
     }
 #endif
 
-#if HAVE_ARC4RANDOM
+#if HAVE_ARC4RANDOM_BUF
     arc4random_buf(buf, len);
     return 0;
 #endif