Index: external/linphone-sdk/mediastreamer2/cmake/FindAom.cmake
--- external/linphone-sdk/mediastreamer2/cmake/FindAom.cmake.orig
+++ external/linphone-sdk/mediastreamer2/cmake/FindAom.cmake
@@ -65,7 +65,7 @@ else()
 		PATH_SUFFIXES bin lib lib/Win32
 	)
 
-	if(_Aom_INCLUDE_DIRS AND _Aom_LIBRARY)
+	if(Aom_INCLUDE_DIRS AND Aom_LIBRARY)
 		add_library(aom UNKNOWN IMPORTED)
 		if(WIN32)
 			set_target_properties(aom PROPERTIES
@@ -75,7 +75,7 @@ else()
 		else()
 			set_target_properties(aom PROPERTIES
 				INTERFACE_INCLUDE_DIRECTORIES "${_Aom_INCLUDE_DIRS}"
-				IMPORTED_LOCATION "${_Aom_LIBRARY}"
+				IMPORTED_LOCATION "${Aom_LIBRARY}"
 			)
 		endif()
 
