diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile
index ec986355140..75dfd965afa 100644
--- a/src/gallium/auxiliary/Makefile
+++ b/src/gallium/auxiliary/Makefile
@@ -118,6 +118,7 @@ C_SOURCES = \
 	util/u_mm.c \
 	util/u_rect.c \
 	util/u_ringbuffer.c \
+	util/u_sampler.c \
 	util/u_simple_shaders.c \
 	util/u_snprintf.c \
 	util/u_surface.c \