diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index 479fd46..9c4b025 100644
--- a/lib/spinlock_debug.c
+++ b/lib/spinlock_debug.c
@@ -60,12 +60,12 @@
 		owner = lock->owner;
 	printk(KERN_EMERG "BUG: spinlock %s on CPU#%d, %s/%d\n",
 		msg, raw_smp_processor_id(),
-		current->comm, current->pid);
+		current->comm, task_pid_nr(current));
 	printk(KERN_EMERG " lock: %p, .magic: %08x, .owner: %s/%d, "
 			".owner_cpu: %d\n",
 		lock, lock->magic,
 		owner ? owner->comm : "<none>",
-		owner ? owner->pid : -1,
+		owner ? task_pid_nr(owner) : -1,
 		lock->owner_cpu);
 	dump_stack();
 }
@@ -116,7 +116,7 @@
 			printk(KERN_EMERG "BUG: spinlock lockup on CPU#%d, "
 					"%s/%d, %p\n",
 				raw_smp_processor_id(), current->comm,
-				current->pid, lock);
+				task_pid_nr(current), lock);
 			dump_stack();
 #ifdef CONFIG_SMP
 			trigger_all_cpu_backtrace();
@@ -161,7 +161,7 @@
 
 	printk(KERN_EMERG "BUG: rwlock %s on CPU#%d, %s/%d, %p\n",
 		msg, raw_smp_processor_id(), current->comm,
-		current->pid, lock);
+		task_pid_nr(current), lock);
 	dump_stack();
 }