diff --git a/share/functions/psub.fish b/share/functions/psub.fish
index 39845572d..5062d7bb9 100644
--- a/share/functions/psub.fish
+++ b/share/functions/psub.fish
@@ -14,7 +14,10 @@ function psub --description "Read from stdin into a file and output the filename
     set -l funcname
 
     if not status --is-command-substitution
-        printf (_ "%s: Not inside of command substitution") psub >&2
+        {
+            printf (_ "%s: Not inside of command substitution") psub
+            echo
+        } >&2
         return 1
     end