Index: external/linphone-sdk/mediastreamer2/cmake/FindDav1d.cmake
--- external/linphone-sdk/mediastreamer2/cmake/FindDav1d.cmake.orig
+++ external/linphone-sdk/mediastreamer2/cmake/FindDav1d.cmake
@@ -65,7 +65,7 @@ else()
 		PATH_SUFFIXES bin lib lib/Win32
 	)
 
-	if(_Dav1d_INCLUDE_DIRS AND _Dav1d_LIBRARY)
+	if(Dav1d_INCLUDE_DIRS AND Dav1d_LIBRARY)
 		add_library(libdav1d UNKNOWN IMPORTED)
 		if(WIN32)
 			set_target_properties(libdav1d PROPERTIES
@@ -75,7 +75,7 @@ else()
 		else()
 			set_target_properties(libdav1d PROPERTIES
 				INTERFACE_INCLUDE_DIRECTORIES "${_Dav1d_INCLUDE_DIRS}"
-				IMPORTED_LOCATION "${_Dav1d_LIBRARY}"
+				IMPORTED_LOCATION "${Dav1d_LIBRARY}"
 			)
 		endif()
 
