diff --git a/Source/NSSocketPortNameServer.m b/Source/NSSocketPortNameServer.m
index 2683dfde5..1e48c1108 100644
--- a/Source/NSSocketPortNameServer.m
+++ b/Source/NSSocketPortNameServer.m
@@ -199,7 +199,7 @@ typedef enum {
 	      path = [path stringByAppendingPathComponent: @"gdomap"];
 	      if ([mgr isExecutableFileAtPath: path])
 		{
-		  launchCmd = path;
+		  launchCmd = [path copy];
 		  break;
 		}
 	    }