diff --git a/src/gallium/drivers/r600/Makefile.sources b/src/gallium/drivers/r600/Makefile.sources
index 28f2319241a..63079602188 100644
--- a/src/gallium/drivers/r600/Makefile.sources
+++ b/src/gallium/drivers/r600/Makefile.sources
@@ -132,6 +132,7 @@ CXX_SOURCES = \
 	sfn/sfn_liverange.h \
 	sfn/sfn_nir.cpp \
 	sfn/sfn_nir.h \
+	sfn/sfn_nir_lower_64bit.cpp \
 	sfn/sfn_nir_lower_fs_out_to_vector.cpp \
 	sfn/sfn_nir_lower_fs_out_to_vector.h \
 	sfn/sfn_nir_lower_tess_io.cpp \