diff --git a/src/gallium/drivers/vc4/Makefile.am b/src/gallium/drivers/vc4/Makefile.am
index 3fc591f10c1..3e9f18496fa 100644
--- a/src/gallium/drivers/vc4/Makefile.am
+++ b/src/gallium/drivers/vc4/Makefile.am
@@ -30,6 +30,7 @@ SIM_LDFLAGS = -lsimpenrose
 endif
 
 AM_CFLAGS = \
+	-I$(top_builddir)/src/glsl/nir \
 	$(LIBDRM_CFLAGS) \
 	$(GALLIUM_DRIVER_CFLAGS) \
 	$(SIM_CFLAGS) \