diff --git a/src/afs/afs_osi.c b/src/afs/afs_osi.c
index a409f0f0d1..ff26d1908c 100644
--- a/src/afs/afs_osi.c
+++ b/src/afs/afs_osi.c
@@ -807,6 +807,9 @@ afs_osi_TraverseProcTable(void)
 #endif
 
 #if defined(AFS_LINUX22_ENV)
+#ifdef EXPORTED_TASKLIST_LOCK
+extern rwlock_t tasklist_lock __attribute__((weak));
+#endif
 void
 afs_osi_TraverseProcTable()
 {
@@ -814,8 +817,6 @@ afs_osi_TraverseProcTable()
     struct task_struct *p;
 
 #ifdef EXPORTED_TASKLIST_LOCK
-    extern rwlock_t tasklist_lock __attribute__((weak));
-
     if (&tasklist_lock)
        read_lock(&tasklist_lock);
 #endif