diff --git a/src/term.c b/src/term.c
index 0a296fc..38fc89b 100644
--- a/src/term.c
+++ b/src/term.c
@@ -3006,7 +3006,13 @@
     int		old_Rows = Rows;
     int		old_Columns = Columns;
 
-    if (!exiting)
+    if (!exiting
+#ifdef FEAT_GUI
+	    /* Do not get the size when executing a shell command during
+	     * startup. */
+	    && !gui.starting
+#endif
+	    )
     {
 	(void)ui_get_shellsize();
 	check_shellsize();