diff --git a/src/compiler/glsl/Makefile.sources b/src/compiler/glsl/Makefile.sources
index 08b40c5cc8f..538196a79a9 100644
--- a/src/compiler/glsl/Makefile.sources
+++ b/src/compiler/glsl/Makefile.sources
@@ -201,6 +201,7 @@ LIBGLSL_FILES = \
 	opt_tree_grafting.cpp \
 	opt_vectorize.cpp \
 	program.h \
+	propagate_invariance.cpp \
 	s_expression.cpp \
 	s_expression.h