diff --git a/aegisub/src/dialog_log.cpp b/aegisub/src/dialog_log.cpp
index 392537e49..6cfb2f0a1 100644
--- a/aegisub/src/dialog_log.cpp
+++ b/aegisub/src/dialog_log.cpp
@@ -70,10 +70,10 @@ public:
 		localtime_r(&sm->tv.tv_sec, &tmtime);
 		wxString log = wxString::Format("%c %02d:%02d:%02d %-6ld <%-25s> [%s:%s:%d]  %s\n",
 			agi::log::Severity_ID[sm->severity],
-			tmtime.tm_hour,
-			tmtime.tm_min,
-			tmtime.tm_sec,
-			sm->tv.tv_usec,
+			(int)tmtime.tm_hour,
+			(int)tmtime.tm_min,
+			(int)tmtime.tm_sec,
+			(long)sm->tv.tv_usec,
 			sm->section,
 			sm->file,
 			sm->func,