2 files changed, 5 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index f69a04a919..59e80108ff 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,7 @@ PHP                                                                        NEWS
 
 - Core:
   . Added syslog.filter=raw option. (Erik Lundin)
+  . Fixed bug #78212 (Segfault in built-in webserver). (cmb)
 
 - Date:
   . Fixed #69044 (discrepency between time and microtime). (krakjoe)
diff --git a/win32/wsyslog.c b/win32/wsyslog.c
index 695c7db8cd..9050b40381 100644
--- a/win32/wsyslog.c
+++ b/win32/wsyslog.c
@@ -95,6 +95,10 @@ void vsyslog(int priority, const char *message, va_list args)
 	DWORD evid;
 	wchar_t *strsw[2];
 
+	/* default event source */
+	if (INVALID_HANDLE_VALUE == PW32G(log_source))
+		openlog("php", LOG_PID, LOG_SYSLOG);
+
 	switch (priority) {			/* translate UNIX type into NT type */
 		case LOG_ALERT:
 			etype = EVENTLOG_ERROR_TYPE;