diff -rupN sakura-3.7.0.old/src/sakura.c sakura-3.7.0/src/sakura.c
--- sakura-3.7.0.old/src/sakura.c	2019-08-12 23:13:08.000000000 +0200
+++ sakura-3.7.0/src/sakura.c	2019-12-01 20:21:29.067142517 +0100
@@ -511,6 +511,9 @@ sakura_key_press (GtkWidget *widget, Gdk
 	if ( ((event->state & sakura.switch_tab_accelerator) == sakura.switch_tab_accelerator) && 
 	     ((event->state & sakura.move_tab_accelerator) != sakura.move_tab_accelerator) ) {
 
+		/* Just propagate the event if there is only one tab */
+		if(npages < 2) return FALSE;
+
 		if ((keycode>=sakura_tokeycode(GDK_KEY_1)) && (keycode<=sakura_tokeycode( GDK_KEY_9))) {  
 
 			/* User has explicitly disabled this branch, make sure to propagate the event */