diff --git a/scrot/src/main.c b/scrot/src/main.c

index 544715e..602308c 100644

--- a/scrot/src/main.c

+++ b/scrot/src/main.c

@@ -164,9 +164,13 @@ scrot_exec_app(Imlib_Image image, struct tm *tm,

                char *filename_im, char *filename_thumb)

 {

   char *execstr;

+  int ret = 0;

   execstr = im_printf(opt.exec, tm, filename_im, filename_thumb, image);

-  system(execstr);

+  ret = system(execstr);

+  if (ret < 0)

+    exit(1);

+

   exit(0);

 }

@@ -321,7 +325,8 @@ scrot_sel_and_grab_image(void)

       /* get geometry of window and use that */

       /* get windowmanager frame of window */

       if (target != root) {

-        unsigned int d, x;

+        int x;

+        unsigned int d;

         int status;

         status = XGetGeometry(disp, target, &root, &x, &x, &d, &d, &d, &d);