diff --git a/commands/CmdRS.c b/commands/CmdRS.c
index e19825ac..c35af018 100644
--- a/commands/CmdRS.c
+++ b/commands/CmdRS.c
@@ -2784,7 +2784,7 @@ CmdSimCmd(
 {
     static char cmdbuf[200];
     char 	*strptr;
-    char 	*nodeCmd;
+    const char 	*nodeCmd;
     int 	i;
 
     if (!SimRsimRunning) {