diff --git a/src/modules/Makefile_comp.am b/src/modules/Makefile_comp.am
index c7423dc2b..872155cfd 100644
--- a/src/modules/Makefile_comp.am
+++ b/src/modules/Makefile_comp.am
@@ -37,6 +37,7 @@ comp_module_la_SOURCES += comp/e_mod_comp_wl.h \
 			  comp/e_mod_comp_wl_region.c
 endif
 
+comp_module_la_CFLAGS       = $(AM_CFLAGS) @WAYLAND_CFLAGS@
 comp_module_la_LIBADD       = @WAYLAND_LIBS@
 
 .PHONY: comp install-comp