diff --git a/qt/mainwin.h b/qt/mainwin.h
index 1c09d5444..7db35cae8 100644
--- a/qt/mainwin.h
+++ b/qt/mainwin.h
@@ -25,9 +25,10 @@
 #include <QTimer>
 #include <QWidgetList>
 
-extern "C" {
-    struct tr_variant;
-};
+extern "C"
+{
+  struct tr_variant;
+}
 
 #include "filters.h"
 #include "torrent-filter.h"
diff --git a/qt/make-dialog.h b/qt/make-dialog.h
index 06eb616a5..060a8074b 100644
--- a/qt/make-dialog.h
+++ b/qt/make-dialog.h
@@ -29,7 +29,7 @@ struct QDialogButtonBox;
 
 extern "C"
 {
-    struct tr_metainfo_builder;
+  struct tr_metainfo_builder;
 }
 
 class MakeDialog: public QDialog
diff --git a/qt/options.h b/qt/options.h
index 6e446bb4f..658a7b297 100644
--- a/qt/options.h
+++ b/qt/options.h
@@ -40,7 +40,10 @@ class FreespaceLabel;
 class Prefs;
 class Session;
 
-extern "C" { struct tr_variant; };
+extern "C"
+{
+  struct tr_variant;
+}
 
 class FileAdded: public QObject
 {
diff --git a/qt/prefs.h b/qt/prefs.h
index 61e3c7ba8..96ea85c46 100644
--- a/qt/prefs.h
+++ b/qt/prefs.h
@@ -25,7 +25,7 @@
 
 extern "C"
 {
-    struct tr_variant;
+  struct tr_variant;
 }
 
 class Prefs: public QObject
diff --git a/qt/torrent-model.h b/qt/torrent-model.h
index 408970cb7..f24caefed 100644
--- a/qt/torrent-model.h
+++ b/qt/torrent-model.h
@@ -25,8 +25,8 @@ class Prefs;
 
 extern "C"
 {
-    struct tr_variant;
-};
+  struct tr_variant;
+}
 
 class TorrentModel: public QAbstractListModel
 {
diff --git a/qt/torrent.h b/qt/torrent.h
index 792f12be2..0b6470313 100644
--- a/qt/torrent.h
+++ b/qt/torrent.h
@@ -31,7 +31,7 @@
 
 extern "C"
 {
-    struct tr_variant;
+  struct tr_variant;
 }
 
 class Prefs;