diff --git a/src/tsd.c b/src/tsd.c
index 3b59acff..b8886da6 100644
--- a/src/tsd.c
+++ b/src/tsd.c
@@ -151,8 +151,8 @@ _tls_callback(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 #  pragma section(".CRT$XLY",long,read)
 #endif
 JEMALLOC_SECTION(".CRT$XLY") JEMALLOC_ATTR(used)
-static const BOOL	(WINAPI *tls_callback)(HINSTANCE hinstDLL,
-    DWORD fdwReason, LPVOID lpvReserved) = _tls_callback;
+static BOOL	(WINAPI *const tls_callback)(HINSTANCE hinstDLL,
+    DWORD fdwRerason, LPVOID lpvReserved) = _tls_callback;
 #endif
 
 #if (!defined(JEMALLOC_MALLOC_THREAD_CLEANUP) && !defined(JEMALLOC_TLS) && \