diff --git a/Makefile b/Makefile
index df0c2f594ec..220676fda4a 100644
--- a/Makefile
+++ b/Makefile
@@ -425,6 +425,7 @@ DEMO_FILES = \
 	$(DIRECTORY)/progs/glsl/*.c			\
 	$(DIRECTORY)/progs/glsl/*.frag			\
 	$(DIRECTORY)/progs/glsl/*.vert			\
+	$(DIRECTORY)/progs/glsl/*.shtest		\
 	$(DIRECTORY)/progs/windml/Makefile.ugl		\
 	$(DIRECTORY)/progs/windml/*.c			\
 	$(DIRECTORY)/progs/windml/*.bmp			\