1 files changed, 1 insertions, 2 deletions
diff --git a/src/sleep.c b/src/sleep.c
index a070d42ca..42bd91828 100644
--- a/src/sleep.c
+++ b/src/sleep.c
@@ -22,8 +22,7 @@
 
 #include "version.h"
 #include "system.h"
-
-void error ();
+#include "error.h"
 
 static long argdecode ();