diff --git a/src/intel/Makefile.am b/src/intel/Makefile.am
index a34e3014497..6a5e393f175 100644
--- a/src/intel/Makefile.am
+++ b/src/intel/Makefile.am
@@ -46,6 +46,9 @@ AM_CFLAGS = \
 	$(VISIBILITY_CFLAGS) \
 	$(WNO_OVERRIDE_INIT)
 
+AM_CXXFLAGS = \
+	$(VISIBILITY_CXXFLAGS)
+
 MKDIR_GEN = $(AM_V_at)$(MKDIR_P) $(@D)
 PYTHON_GEN = $(AM_V_GEN)$(PYTHON2) $(PYTHON_FLAGS)