diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index 239c98054dec4292f3444783240bf28958f7a850..f9e02b31a97af3dde7bb23437013d6e628b85761 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -50,7 +50,7 @@ void dump_stack(void)
 EXPORT_SYMBOL(dump_stack);
 
 /*Stolen from arch/i386/kernel/traps.c */
-static int kstack_depth_to_print = 24;
+static const int kstack_depth_to_print = 24;
 
 /* This recently started being used in arch-independent code too, as in
  * kernel/sched.c.*/