diff --git a/src/command/command.c b/src/command/command.c
index 578a3940..df0197fe 100644
--- a/src/command/command.c
+++ b/src/command/command.c
@@ -28,6 +28,8 @@
 
 #include <glib.h>
 
+#include "config.h"
+
 #include "chat_session.h"
 #include "command/command.h"
 #include "command/commands.h"
diff --git a/src/command/commands.c b/src/command/commands.c
index 9a6cf919..fd50f08b 100644
--- a/src/command/commands.c
+++ b/src/command/commands.c
@@ -20,6 +20,8 @@
  *
  */
 
+#include "config.h"
+
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
diff --git a/src/server_events.c b/src/server_events.c
index 52fdf052..ecd1ff57 100644
--- a/src/server_events.c
+++ b/src/server_events.c
@@ -23,6 +23,8 @@
 #include <string.h>
 #include <stdlib.h>
 
+#include "config.h"
+
 #include "chat_session.h"
 #include "log.h"
 #include "muc.h"
diff --git a/src/ui/titlebar.c b/src/ui/titlebar.c
index 99932024..1b43d6b3 100644
--- a/src/ui/titlebar.c
+++ b/src/ui/titlebar.c
@@ -23,6 +23,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "config.h"
+
 #include "common.h"
 #include "config/theme.h"
 #include "config/preferences.h"