diff --git a/app/propgui/gimppropgui-eval.c b/app/propgui/gimppropgui-eval.c
index 719e500866..548bc1adc8 100644
--- a/app/propgui/gimppropgui-eval.c
+++ b/app/propgui/gimppropgui-eval.c
@@ -730,6 +730,10 @@ gimp_prop_eval_string_selection (GObject      *config,
               match  = TRUE;
               result = value;
             }
+          else
+            {
+              g_free (value);
+            }
 
           if (! g_strcmp0 (*t, ","))
             {