diff --git a/config.gnu.mk b/config.gnu.mk
index 45695e3..84749b0 100644
--- a/config.gnu.mk
+++ b/config.gnu.mk
@@ -176,8 +176,8 @@ MIQ_CFGUNDEF0=	$$MIQ_CFGRC						\
 
 MIQ_CFGDEF=	echo '\#define'
 
-MIQ_CFGCFLAGS=	$(CFLAGS)   $(CFLAGS_CONFIG_$*)
-MIQ_CFGCXXFLAGS=$(CXXFLAGS) $(CFLAGS_CONFIG_$*)
+MIQ_CFGCFLAGS=	$(CFLAGS)   $(CFLAGS_CONFIG_$*) $(MIQ_CFGFLAGS)
+MIQ_CFGCXXFLAGS=$(CXXFLAGS) $(CFLAGS_CONFIG_$*) $(MIQ_CFGFLAGS)
 
 MIQ_CFGCC_CMD=	$(CC)  $(MIQ_CFGCFLAGS)   			$(MIQ_CFGTEST)
 MIQ_CFGCXX_CMD=	$(CXX) $(MIQ_CFGCXXFLAGS) 			$(MIQ_CFGTEST)