diff --git a/osc/commandline.py b/osc/commandline.py
index 0db80ab7..52a0c33d 100644
--- a/osc/commandline.py
+++ b/osc/commandline.py
@@ -4557,7 +4557,7 @@ Please submit there instead, or use --nodevelproject to force direct submission.
             print("ERROR: service run failed", e, file=sys.stderr)
             return 1
         except oscerr.PackageNotInstalled as e:
-            print("ERROR: please install %s" % e.args, end='')
+            print("ERROR: please install %s " % e.args, end='')
             print("or use the --noservice option")
             return 1