1 files changed, 5 insertions, 0 deletions
diff --git a/src/nvim/optionstr.c b/src/nvim/optionstr.c
index 65bc9f60df..abae338daa 100644
--- a/src/nvim/optionstr.c
+++ b/src/nvim/optionstr.c
@@ -38,6 +38,7 @@
 #include "nvim/spellfile.h"
 #include "nvim/spellsuggest.h"
 #include "nvim/strings.h"
+#include "nvim/tag.h"
 #include "nvim/ui.h"
 #include "nvim/vim.h"
 #include "nvim/window.h"
@@ -1480,6 +1481,10 @@ char *did_set_string_option(int opt_idx, char **varp, char *oldval, char *errbuf
     if (qf_process_qftf_option() == FAIL) {
       errmsg = e_invarg;
     }
+  } else if (gvarp == &p_tfu) {  // 'tagfunc'
+    if (set_tagfunc_option() == FAIL) {
+      errmsg = e_invarg;
+    }
   } else {
     // Options that are a list of flags.
     p = NULL;