updated for version 7.0184
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 4e430c7..798262d 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -9729,7 +9729,10 @@
      */
     if ((*flagp & SSOP_FOLDS)
 	    && wp->w_buffer->b_ffname != NULL
-	    && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help))
+# ifdef FEAT_QUICKFIX
+	    && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
+# endif
+	    )
     {
 	if (put_folds(fd, wp) == FAIL)
 	    return FAIL;