diff --git a/Makefile b/Makefile
index 1fa369a96c7..e593e7f0e13 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,7 @@ doxygen:
 	cd doxygen && $(MAKE)
 
 check:
+	cd src/glsl && $(MAKE) check
 	cd src/glsl/tests/ && ./optimization-test
 	make -C tests check