diff --git a/config.mk b/config.mk
index 9febfcc..c44c250 100644
--- a/config.mk
+++ b/config.mk
@@ -22,7 +22,7 @@ FREETYPEINC = /usr/include/freetype2
 
 # includes and libs
 INCS = -I${X11INC} -I${FREETYPEINC}
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+LIBS = -L${X11LIB} -lX11 -lXext ${XINERAMALIBS} ${FREETYPELIBS}
 
 # flags
 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS} -D_FORTIFY_SOURCE=2
diff --git a/dwm.c b/dwm.c
index b0df2b9..b499c01 100644
--- a/dwm.c
+++ b/dwm.c
@@ -26,6 +26,7 @@
 #include <X11/Xutil.h>
 #include <X11/cursorfont.h>
 #include <X11/keysym.h>
+#include <X11/extensions/dpms.h>
 #include <errno.h>
 #include <locale.h>
 #include <signal.h>
@@ -2984,6 +2985,8 @@ main(int argc, char* argv[])
         die("pledge");
 #endif /* __OpenBSD__ */
     scan();
+    XSetScreenSaver(dpy, 0, 600, 1, 1);
+    DPMSDisable(dpy);
     run();
     cleanup();
     XCloseDisplay(dpy);