diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index 8a2877df..efd1fdc4 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -62,6 +62,8 @@ else()
 endif()
 
 if(ENABLE_FFMPEG)
+    include(FindFFmpeg)
+
     if(NOT FFMPEG_LIBRARIES)
         message(FATAL_ERROR "ENABLE_FFMPEG was specified, but required versions of ffmpeg libraries cannot be found!")
     endif()