diff --git a/options.mk b/options.mk
index c042c07..0dd5921 100644
--- a/options.mk
+++ b/options.mk
@@ -24,9 +24,12 @@ LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender -lgd \
        `$(PKG_CONFIG) --libs harfbuzz` \
        `$(PKG_CONFIG) --libs freetype2`
 
+CFLAGS = -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Wno-unused-variable -Wno-unused-result -Wno-unused-function -Ofast -march=native $(INCS) $(CPPFLAGS)
+
+
 # flags
 STCPPFLAGS = -DVERSION=\"$(VERSION)\" -DICON=\"$(ICONPREFIX)/$(ICONNAME)\" -D_XOPEN_SOURCE=600
-STCFLAGS = $(INCS) $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS) -Ofast -march=native -mtune=native
+STCFLAGS = $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS)
 STLDFLAGS = $(LIBS) $(LDFLAGS)
 
 # OpenBSD: