diff --git a/klogd.c b/klogd.c
index 65a29eb..81f25e4 100644
--- a/klogd.c
+++ b/klogd.c
@@ -585,7 +585,7 @@ static void LogLine(char *ptr, int len)
 
     auto   int delta = 0;              /* number of chars copied        */
 
-    while( len >= 0 )
+    while( len > 0 )
     {
         if( space == 0 )    /* line buffer is full */
         {