diff --git a/graphics/Makefile b/graphics/Makefile
index b54b3b701de1..238038e4e69b 100644
--- a/graphics/Makefile
+++ b/graphics/Makefile
@@ -47,6 +47,7 @@
     SUBDIR += gimp1
     SUBDIR += gimp1-i18n
     SUBDIR += giram
+    SUBDIR += glx
     SUBDIR += gphoto
     SUBDIR += gplot
     SUBDIR += gqview