diff --git a/d/seher/haeuser/raum.c b/d/seher/haeuser/raum.c
index 57ad7c8..d5becbc 100644
--- a/d/seher/haeuser/raum.c
+++ b/d/seher/haeuser/raum.c
@@ -1708,7 +1708,7 @@
 
     lines = old_explode(rep, "\n");
     s = sizeof(lines);
-    for ( l=0; prev == 0; l++ ) {
+    for ( l=0; prev == 0 && l<s; l++ ) {
       if (sscanf(lines[l], "%s von %s in Raum %d %s:", d, d, nr, d)==4)
         prev = lines[l];
     }