diff --git a/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c b/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c
index 14a2df1ea3..92bfaa89f0 100644
--- a/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c
+++ b/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c
@@ -638,7 +638,12 @@ ecore_x_netwm_icon_get(Ecore_X_Window win, int *width, int *height, unsigned int
 					 XA_CARDINAL, 32, &data_ret, &num_ret))
      return 0;
    if (!data_ret) return 0;
-   
+   if (num_ret < 2)
+     {
+	free(data_ret);
+	return 0;
+     }
+
    data = (unsigned int *)data_ret;
 
    if (icon)