diff --git a/patch.c b/patch.c
index c302295e41..c2217003d0 100644
--- a/patch.c
+++ b/patch.c
@@ -548,6 +548,8 @@ error:
    *buf = ret_buf;
    *size = ret_size;
    free(patch_data);
+   if (patched_content)
+      free(patched_content);
 
    return false;
 }