diff --git a/aegisub/libaegisub/unix/log.cpp b/aegisub/libaegisub/unix/log.cpp
index ea295cc40..1813b5ef1 100644
--- a/aegisub/libaegisub/unix/log.cpp
+++ b/aegisub/libaegisub/unix/log.cpp
@@ -37,7 +37,7 @@ void EmitSTDOUT::log(SinkMessage *sm) {
 //		tmtime.tm_mon,
 //		tmtime.tm_mday,
 
-	printf("%c %02d:%02d:%02d %ld <%-25s> [%s:%s:%d]  %.*s\n",
+	printf("%c %02d:%02d:%02d %-6ld <%-25s> [%s:%s:%d]  %.*s\n",
 		Severity_ID[sm->severity],
 		tmtime.tm_hour,
 		tmtime.tm_min,
diff --git a/aegisub/libaegisub/windows/log.cpp b/aegisub/libaegisub/windows/log.cpp
index 1eea66b75..6a321b9ff 100644
--- a/aegisub/libaegisub/windows/log.cpp
+++ b/aegisub/libaegisub/windows/log.cpp
@@ -39,7 +39,7 @@ void EmitSTDOUT::log(SinkMessage *sm) {
 	localtime_s(&tmtime, &time);
 
 	char buff[1024];
-	_snprintf_s(buff, _TRUNCATE, "%c %02d:%02d:%02d %ld <%-25s> [%s:%s:%d]  %.*s\n",
+	_snprintf_s(buff, _TRUNCATE, "%c %02d:%02d:%02d %-6ld <%-25s> [%s:%s:%d]  %.*s\n",
 		Severity_ID[sm->severity],
 		tmtime.tm_hour,
 		tmtime.tm_min,
diff --git a/aegisub/src/dialog_log.cpp b/aegisub/src/dialog_log.cpp
index e84ef314a..b26974f0d 100644
--- a/aegisub/src/dialog_log.cpp
+++ b/aegisub/src/dialog_log.cpp
@@ -100,7 +100,7 @@ void LogWindow::EmitLog::Write(agi::log::SinkMessage *sm) {
 #ifndef _WIN32
 	tm tmtime;
 	localtime_r(&sm->tv.tv_sec, &tmtime);
-	wxString log = wxString::Format("%c %02d:%02d:%02d %ld <%-25s> [%s:%s:%d]  %s\n",
+	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,
@@ -112,7 +112,7 @@ void LogWindow::EmitLog::Write(agi::log::SinkMessage *sm) {
 		sm->line,
 		strndup(sm->message, sm->len));
 #else
-	wxString log = wxString::Format("%c %ld <%-25s> [%s:%s:%d]  %s\n",
+	wxString log = wxString::Format("%c %-6ld <%-25s> [%s:%s:%d]  %s\n",
 		agi::log::Severity_ID[sm->severity],
 		sm->tv.tv_usec,
 		sm->section,