diff --git a/CMakeLists.txt b/CMakeLists.txt
index d94de4b7b..b509e7a28 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -372,7 +372,7 @@ if(NOT ZM_NO_FFMPEG)
 	if(AVFORMAT_LIBRARIES)
 		set(HAVE_LIBAVFORMAT 1)
 		list(APPEND ZM_BIN_LIBS "${AVFORMAT_LIBRARIES}")
-		find_path(AVFORMAT_INCLUDE_DIR "libavformat/avformat.h")
+		find_path(AVFORMAT_INCLUDE_DIR "libavformat/avformat.h" /usr/include/ffmpeg)
 		if(AVFORMAT_INCLUDE_DIR)
 			include_directories("${AVFORMAT_INCLUDE_DIR}")
 			set(CMAKE_REQUIRED_INCLUDES "${AVFORMAT_INCLUDE_DIR}")
@@ -389,7 +389,7 @@ if(NOT ZM_NO_FFMPEG)
 	if(AVCODEC_LIBRARIES)
 		set(HAVE_LIBAVCODEC 1)
 		list(APPEND ZM_BIN_LIBS "${AVCODEC_LIBRARIES}")
-		find_path(AVCODEC_INCLUDE_DIR "libavcodec/avcodec.h")
+		find_path(AVCODEC_INCLUDE_DIR "libavcodec/avcodec.h" /usr/include/ffmpeg)
 		if(AVCODEC_INCLUDE_DIR)
 			include_directories("${AVCODEC_INCLUDE_DIR}")
 			set(CMAKE_REQUIRED_INCLUDES "${AVCODEC_INCLUDE_DIR}")
@@ -406,7 +406,7 @@ if(NOT ZM_NO_FFMPEG)
 	if(AVDEVICE_LIBRARIES)
 		set(HAVE_LIBAVDEVICE 1)
 		list(APPEND ZM_BIN_LIBS "${AVDEVICE_LIBRARIES}")
-		find_path(AVDEVICE_INCLUDE_DIR "libavdevice/avdevice.h")
+		find_path(AVDEVICE_INCLUDE_DIR "libavdevice/avdevice.h" /usr/include/ffmpeg)
 		if(AVDEVICE_INCLUDE_DIR)
 			include_directories("${AVDEVICE_INCLUDE_DIR}")
 			set(CMAKE_REQUIRED_INCLUDES "${AVDEVICE_INCLUDE_DIR}")
@@ -423,7 +423,7 @@ if(NOT ZM_NO_FFMPEG)
 	if(AVUTIL_LIBRARIES)
 		set(HAVE_LIBAVUTIL 1)
 		list(APPEND ZM_BIN_LIBS "${AVUTIL_LIBRARIES}")
-		find_path(AVUTIL_INCLUDE_DIR "libavutil/avutil.h")
+		find_path(AVUTIL_INCLUDE_DIR "libavutil/avutil.h" /usr/include/ffmpeg)
 		if(AVUTIL_INCLUDE_DIR)
 			include_directories("${AVUTIL_INCLUDE_DIR}")
 			set(CMAKE_REQUIRED_INCLUDES "${AVUTIL_INCLUDE_DIR}")
@@ -441,7 +441,7 @@ if(NOT ZM_NO_FFMPEG)
 	if(SWSCALE_LIBRARIES)
 		set(HAVE_LIBSWSCALE 1)
 		list(APPEND ZM_BIN_LIBS "${SWSCALE_LIBRARIES}")
-		find_path(SWSCALE_INCLUDE_DIR "libswscale/swscale.h")
+		find_path(SWSCALE_INCLUDE_DIR "libswscale/swscale.h" /usr/include/ffmpeg)
 		if(SWSCALE_INCLUDE_DIR)
 			include_directories("${SWSCALE_INCLUDE_DIR}")
 			set(CMAKE_REQUIRED_INCLUDES "${SWSCALE_INCLUDE_DIR}")