diff --git a/src/attributes/otherfaction.h b/src/attributes/otherfaction.h
index 783f5fb07..4bb2608d0 100644
--- a/src/attributes/otherfaction.h
+++ b/src/attributes/otherfaction.h
@@ -30,5 +30,5 @@ extern "C" {
     const struct unit *u);
 
 #ifdef __cplusplus
-  extern "C" {
+}
 #endif