diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7675daf27a..4d0df909453 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -558,7 +558,7 @@ if(UNIX AND NOT APPLE)
 		endif()
 
 		mark_as_advanced(FFMPEG)
-		set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include)
+		set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include ${FFMPEG}/include/ffmpeg)
 		mark_as_advanced(FFMPEG_LIBRARIES)
 		set(FFMPEG_LIBPATH ${FFMPEG}/lib)
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__STDC_CONSTANT_MACROS")
@@ -1106,7 +1106,7 @@ elseif(WIN32)
 
 		if(WITH_CODEC_FFMPEG)
 			set(FFMPEG ${LIBDIR}/ffmpeg)
-			set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include ${FFMPEG}/include)
+			set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include)
 			if(WITH_MINGW64)
 				set(FFMPEG_LIBRARIES avcodec.dll avformat.dll avdevice.dll avutil.dll swscale.dll swresample.dll)
 			else()