diff --git a/config.mk b/config.mk
index ede4ad1..1d41f62 100644
--- a/config.mk
+++ b/config.mk
@@ -16,8 +16,8 @@ LIBS = -L/usr/lib -lc -L${X11LIB} -lX11
 
 # flags
 CPPFLAGS = -DVERSION=\"${VERSION}\"
-CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
-LDFLAGS = -s ${LIBS}
+CFLAGS = -std=c99 -Wall ${RPM_OPT_FLAGS} ${INCS} ${CPPFLAGS}
+LDFLAGS = ${LIBS}
 
 # compiler and linker
 CC = cc