diff --git a/configure b/configure
index 1eb88b99e0..e7d94216ce 100755
--- a/configure
+++ b/configure
@@ -6998,10 +6998,6 @@ $_def_alloca
 $_def_mman
 $_def_mman_has_map_failed
 
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
 /* Define this if you have the elf dynamic linker -ldl library */
 $_def_dl
 
diff --git a/postproc/swscale.c b/postproc/swscale.c
index 89fcc0a55d..291bc940ef 100644
--- a/postproc/swscale.c
+++ b/postproc/swscale.c
@@ -64,6 +64,9 @@ untested special converters
 #endif
 #ifdef HAVE_SYS_MMAN_H
 #include <sys/mman.h>
+#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
 #endif
 #include "swscale.h"
 #include "swscale_internal.h"
@@ -2070,7 +2073,7 @@ SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int
 		if(c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
 		{
 #define MAX_FUNNY_CODE_SIZE 10000
-#ifdef HAVE_SYS_MMAN_H
+#ifdef MAP_ANONYMOUS
 			c->funnyYCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
 			c->funnyUVCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
 #else