diff --git a/config.mk b/config.mk
index 16ffac3..fb516d4 100644
--- a/config.mk
+++ b/config.mk
@@ -4,7 +4,7 @@ VERSION = 5.9
 # Customize below to fit your system
 
 # paths
-PREFIX = /usr/local
+PREFIX = /usr
 MANPREFIX = ${PREFIX}/share/man
 
 X11INC = /usr/X11R6/include
@@ -21,9 +21,9 @@ LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 ${XINERAMALIBS}
 # flags
 CPPFLAGS = -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
 #CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
-CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
+CFLAGS = ${RPM_OPT_FLAGS} -g -std=c99 -pedantic -Wall ${INCS} ${CPPFLAGS}
 #LDFLAGS = -g ${LIBS}
-LDFLAGS = -s ${LIBS}
+LDFLAGS = ${LIBS}
 
 # Solaris
 #CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"