diff --git a/apps/osmocom_siggen b/apps/osmocom_siggen
index 1727f44..b2f9411 100755
--- a/apps/osmocom_siggen
+++ b/apps/osmocom_siggen
@@ -483,7 +483,7 @@ def main():
         app.MainLoop()
 
     except RuntimeError, e:
-        print e
+        print(e)
         sys.exit(1)
 
 # Make sure to create the top block (tb) within a function: That code