diff --git a/TrimSPlib.js b/TrimSPlib.js
index 204fea5..e3d6cb7 100644
--- a/TrimSPlib.js
+++ b/TrimSPlib.js
@@ -1136,7 +1136,7 @@ function startSequence(All) {
 	    cmd = "cd " + All["workPath"];
 	    cmd += ";cp " + FILENAME + ".inp eingabe1.inp";
 	    cmd += ";" + trimBin;
-	    cmd += "; mv -f ausgabe1.rge " + FILENAME + ".reg";
+	    cmd += "; mv -f ausgabe1.rge " + FILENAME + ".rge";
 	    cmd += "; mv -f ausgabe1.out " + FILENAME + ".out";
 	    cmd += "; mv -f ausgabe1.err " + FILENAME + ".err";
 	    execute(cmd);