diff --git a/mplayer.c b/mplayer.c
index 443026a72e..6f4a0b59df 100644
--- a/mplayer.c
+++ b/mplayer.c
@@ -25,6 +25,12 @@
 #include "version.h"
 #include "config.h"
 
+#ifndef OUTBURST
+#error "============================================="
+#error "Please re-run ./configure and then try again!"
+#error "============================================="
+#endif
+
 #include "cfgparser.h"
 #include "cfg-mplayer-def.h"