diff --git a/surf.spec b/surf.spec
index 6468c32..71c5bc6 100644
--- a/surf.spec
+++ b/surf.spec
@@ -28,10 +28,11 @@ surf is a simple web browser based on WebKit/GTK+.
 
 sed \
   -e 's|/usr/local|%{_prefix}|g' \
+  -e 's|/usr/lib|%{_libdir}|g' \
   -e 's|/usr/include|%{_includedir}|g' \
   -e 's|-s ${LIBS}|-g ${LIBS}|g' \
   -e 's|-std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}|%{optflags} ${INCS} ${CPPFLAGS}|g' \
-  -e 's|LIBS = -L/usr/lib -lc ${GTKLIB} -lgthread-2.0|LIBS = -L%{_libdir} -lc ${GTKLIB} -lgthread-2.0 -lX11|g' \
+  -e 's|LIBS = -L%{_libdir} -lc ${GTKLIB} -lgthread-2.0|LIBS = -L%{_libdir} -lc ${GTKLIB} -lgthread-2.0 -lX11|g' \
   -i config.mk
 
 sed -i 's!^\(\t\+\)@!\1!' Makefile