diff --git a/contrib/cmake/FindUSCXML.cmake b/contrib/cmake/FindUSCXML.cmake
index bf3605dc..d18e0fa7 100644
--- a/contrib/cmake/FindUSCXML.cmake
+++ b/contrib/cmake/FindUSCXML.cmake
@@ -51,7 +51,7 @@ else()
 		ENV USCXML_LIB_DIR
 	)
 	if (USCXML_LIBRARY_RELEASE)
-		list(APPEND USCXML_LIBRARIES optimized USCXML_LIBRARY_RELEASE)
+		list(APPEND USCXML_LIBRARIES optimized ${USCXML_LIBRARY_RELEASE})
 	endif()
 endif()