diff --git a/source/includes/lv2/uri-map.h b/source/includes/lv2/uri-map.h
index 2fedc426e..2062af3a4 100644
--- a/source/includes/lv2/uri-map.h
+++ b/source/includes/lv2/uri-map.h
@@ -92,7 +92,7 @@ typedef struct {
 } LV2_URI_Map_Feature;
 
 #ifdef __cplusplus
-} /* extern "C" */
+}  /* extern "C" */
 #endif
 
 #endif /* LV2_URI_MAP_H */
diff --git a/source/includes/lv2/urid.h b/source/includes/lv2/urid.h
index e3466fb41..c317f7ff8 100644
--- a/source/includes/lv2/urid.h
+++ b/source/includes/lv2/urid.h
@@ -123,7 +123,7 @@ typedef struct _LV2_URID_Unmap {
 } LV2_URID_Unmap;
 
 #ifdef __cplusplus
-} /* extern "C" */
+}  /* extern "C" */
 #endif
 
 #endif /* LV2_URID_H */
diff --git a/source/includes/lv2/worker.h b/source/includes/lv2/worker.h
index b0edbe830..fc09d5561 100644
--- a/source/includes/lv2/worker.h
+++ b/source/includes/lv2/worker.h
@@ -152,7 +152,7 @@ typedef struct _LV2_Worker_Schedule {
 } LV2_Worker_Schedule;
 
 #ifdef __cplusplus
-} /* extern "C" */
+}  /* extern "C" */
 #endif
 
 #endif  /* LV2_WORKER_H */