diff --git a/src/afs/LINUX/osi_machdep.h b/src/afs/LINUX/osi_machdep.h
index a64a0c8462..54efc99b62 100644
--- a/src/afs/LINUX/osi_machdep.h
+++ b/src/afs/LINUX/osi_machdep.h
@@ -111,7 +111,12 @@ static inline time_t osi_Time(void) {
 #define VN_RELE(V) iput((V))
 
 #define afs_suser(x) capable(CAP_SYS_ADMIN)
-#define wakeup afs_osi_Wakeup
+extern int afs_osi_Wakeup(void *event);
+static inline void
+wakeup(void *event)
+{
+    afs_osi_Wakeup(event);
+}
 
 #define vType(V) ((AFSTOV((V)))->i_mode & S_IFMT)
 #define vSetType(V, type) AFSTOV((V))->i_mode = ((type) | (AFSTOV((V))->i_mode & ~S_IFMT))	/* preserve mode */