diff --git a/apps/openmw/mwdialogue/dialoguemanagerimp.hpp b/apps/openmw/mwdialogue/dialoguemanagerimp.hpp
index 69cc88f25..985d25573 100644
--- a/apps/openmw/mwdialogue/dialoguemanagerimp.hpp
+++ b/apps/openmw/mwdialogue/dialoguemanagerimp.hpp
@@ -1,4 +1,4 @@
-#ifndef GAME_MMDIALOG_DIALOGUEMANAGERIMP_H
+#ifndef GAME_MWDIALOG_DIALOGUEMANAGERIMP_H
 #define GAME_MWDIALOG_DIALOGUEMANAGERIMP_H
 
 #include <components/esm/loadinfo.hpp>
diff --git a/apps/openmw/mwdialogue/journalentry.hpp b/apps/openmw/mwdialogue/journalentry.hpp
index 9a3270439..3e8640185 100644
--- a/apps/openmw/mwdialogue/journalentry.hpp
+++ b/apps/openmw/mwdialogue/journalentry.hpp
@@ -1,5 +1,5 @@
-#ifndef GAME_MMDIALOGUE_JOURNALENTRY_H
-#define GAME_MMDIALOGUE_JOURNALENTRY_H
+#ifndef GAME_MWDIALOGUE_JOURNALENTRY_H
+#define GAME_MWDIALOGUE_JOURNALENTRY_H
 
 #include <string>
 
diff --git a/apps/openmw/mwdialogue/journalimp.hpp b/apps/openmw/mwdialogue/journalimp.hpp
index 5fafc265a..7d71fd7d0 100644
--- a/apps/openmw/mwdialogue/journalimp.hpp
+++ b/apps/openmw/mwdialogue/journalimp.hpp
@@ -1,4 +1,4 @@
-#ifndef GAME_MMDIALOG_JOURNAL_H
+#ifndef GAME_MWDIALOG_JOURNAL_H
 #define GAME_MWDIALOG_JOURNAL_H
 
 #include "../mwbase/journal.hpp"
diff --git a/apps/openmw/mwdialogue/quest.hpp b/apps/openmw/mwdialogue/quest.hpp
index 5fcc894ea..3afa81fac 100644
--- a/apps/openmw/mwdialogue/quest.hpp
+++ b/apps/openmw/mwdialogue/quest.hpp
@@ -1,4 +1,4 @@
-#ifndef GAME_MMDIALOG_QUEST_H
+#ifndef GAME_MWDIALOG_QUEST_H
 #define GAME_MWDIALOG_QUEST_H
 
 #include "topic.hpp"
diff --git a/apps/openmw/mwdialogue/topic.hpp b/apps/openmw/mwdialogue/topic.hpp
index 3ad15903f..566f60ab0 100644
--- a/apps/openmw/mwdialogue/topic.hpp
+++ b/apps/openmw/mwdialogue/topic.hpp
@@ -1,4 +1,4 @@
-#ifndef GAME_MMDIALOG_TOPIC_H
+#ifndef GAME_MWDIALOG_TOPIC_H
 #define GAME_MWDIALOG_TOPIC_H
 
 #include <string>