diff --git a/ivi-shell/ivi-layout.c b/ivi-shell/ivi-layout.c
index 7bc3aab..2cce2d3 100644
--- a/ivi-shell/ivi-layout.c
+++ b/ivi-shell/ivi-layout.c
@@ -1535,7 +1535,7 @@
 {
 	struct weston_output *output = NULL;
 
-	if (pWidth == NULL || pHeight == NULL) {
+	if (iviscrn == NULL || pWidth == NULL || pHeight == NULL) {
 		weston_log("ivi_layout_get_screen_resolution: invalid argument\n");
 		return IVI_FAILED;
 	}