diff --git a/content/canvas/src/Makefile.in b/content/canvas/src/Makefile.in
index 2263c18fb850..52279fa68320 100644
--- a/content/canvas/src/Makefile.in
+++ b/content/canvas/src/Makefile.in
@@ -94,4 +94,6 @@ FORCE_STATIC_LIB = 1
 
 include $(topsrcdir)/config/rules.mk
 
+CXXFLAGS	+= $(MOZ_CAIRO_CFLAGS)
+
 DEFINES += -D_IMPL_NS_LAYOUT