diff --git a/src/popupmnu.c b/src/popupmnu.c
index dc66e75..82e3ef7 100644
--- a/src/popupmnu.c
+++ b/src/popupmnu.c
@@ -760,7 +760,7 @@
     return pum_height;
 }
 
-# if defined(FEAT_BEVALTERM) || defined(PROTO)
+# if defined(FEAT_BEVAL_TERM) || defined(PROTO)
 static pumitem_T *balloon_array = NULL;
 static int balloon_arraysize;
 static int balloon_mouse_row = 0;