diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index 53da88e61d..42d9e4f926 100644
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -56,14 +56,14 @@ class WXDLLIMPEXP_BASE wxDateSpan;
 #ifdef HAVE_LOCALTIME_R
 #define wxLocaltime_r localtime_r
 #else
-struct tm *wxLocaltime_r(const time_t*, struct tm*)
+struct tm *wxLocaltime_r(const time_t*, struct tm*);
 #warning using pseudo thread-safe wrapper for localtime to emulate localtime_r
 #endif
 
 #ifdef HAVE_GMTIME_R
 #define wxGmtime_r gmtime_r
 #else
-struct tm *wxGmtime_r(const time_t*, struct tm*)
+struct tm *wxGmtime_r(const time_t*, struct tm*);
 #warning using pseudo thread-safe wrapper for gmtime to emulate gmtime_r
 #endif