diff --git a/src/buffer.c b/src/buffer.c
index e6ae09d..c3911ae 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5698,7 +5698,7 @@
  * buffer.  This means the buffer name is not a file name.
  */
     int
-bt_nofile(buf_T *buf)
+bt_nofilename(buf_T *buf)
 {
     return buf != NULL && ((buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f')
 	    || buf->b_p_bt[0] == 'a'
@@ -5707,6 +5707,15 @@
 }
 
 /*
+ * Return TRUE if "buf" has 'buftype' set to "nofile".
+ */
+    int
+bt_nofile(buf_T *buf)
+{
+    return buf != NULL && buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f';
+}
+
+/*
  * Return TRUE if "buf" is a "nowrite", "nofile", "terminal" or "prompt"
  * buffer.
  */
@@ -5772,7 +5781,7 @@
 
     /* There is no _file_ when 'buftype' is "nofile", b_sfname
      * contains the name as specified by the user. */
-    if (bt_nofile(buf))
+    if (bt_nofilename(buf))
     {
 #ifdef FEAT_TERMINAL
 	if (buf->b_term != NULL)