diff --git a/src/nvim/eval/fs.c b/src/nvim/eval/fs.c
index 5c9f1fef19..b71b6613e5 100644
--- a/src/nvim/eval/fs.c
+++ b/src/nvim/eval/fs.c
@@ -932,15 +932,15 @@ void f_glob(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
   // for 'wildignore' and don't put matches for 'suffixes' at the end.
   rettv->v_type = VAR_STRING;
   if (argvars[1].v_type != VAR_UNKNOWN) {
-    if (tv_get_number_chk(&argvars[1], &error)) {
+    if (tv_get_bool_chk(&argvars[1], &error)) {
       options |= WILD_KEEP_ALL;
     }
     if (argvars[2].v_type != VAR_UNKNOWN) {
-      if (tv_get_number_chk(&argvars[2], &error)) {
+      if (tv_get_bool_chk(&argvars[2], &error)) {
         tv_list_set_ret(rettv, NULL);
       }
       if (argvars[3].v_type != VAR_UNKNOWN
-          && tv_get_number_chk(&argvars[3], &error)) {
+          && tv_get_bool_chk(&argvars[3], &error)) {
         options |= WILD_ALLLINKS;
       }
     }
@@ -981,16 +981,16 @@ void f_globpath(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
   if (argvars[2].v_type != VAR_UNKNOWN) {
     // When the optional second argument is non-zero, don't remove matches
     // for 'wildignore' and don't put matches for 'suffixes' at the end.
-    if (tv_get_number_chk(&argvars[2], &error)) {
+    if (tv_get_bool_chk(&argvars[2], &error)) {
       flags |= WILD_KEEP_ALL;
     }
 
     if (argvars[3].v_type != VAR_UNKNOWN) {
-      if (tv_get_number_chk(&argvars[3], &error)) {
+      if (tv_get_bool_chk(&argvars[3], &error)) {
         tv_list_set_ret(rettv, NULL);
       }
       if (argvars[4].v_type != VAR_UNKNOWN
-          && tv_get_number_chk(&argvars[4], &error)) {
+          && tv_get_bool_chk(&argvars[4], &error)) {
         flags |= WILD_ALLLINKS;
       }
     }
diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c
index c411362018..719b12b30c 100644
--- a/src/nvim/eval/funcs.c
+++ b/src/nvim/eval/funcs.c
@@ -1293,7 +1293,7 @@ static void f_expand(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
   rettv->v_type = VAR_STRING;
   if (argvars[1].v_type != VAR_UNKNOWN
       && argvars[2].v_type != VAR_UNKNOWN
-      && tv_get_number_chk(&argvars[2], &error)
+      && tv_get_bool_chk(&argvars[2], &error)
       && !error) {
     tv_list_set_ret(rettv, NULL);
   }
@@ -1324,7 +1324,7 @@ static void f_expand(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
     // When the optional second argument is non-zero, don't remove matches
     // for 'wildignore' and don't put matches for 'suffixes' at the end.
     if (argvars[1].v_type != VAR_UNKNOWN
-        && tv_get_number_chk(&argvars[1], &error)) {
+        && tv_get_bool_chk(&argvars[1], &error)) {
       options |= WILD_KEEP_ALL;
     }
     if (!error) {
@@ -2380,9 +2380,9 @@ static void f_getreg(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
 
   if (argvars[0].v_type != VAR_UNKNOWN && argvars[1].v_type != VAR_UNKNOWN) {
     bool error = false;
-    arg2 = (int)tv_get_number_chk(&argvars[1], &error);
+    arg2 = (int)tv_get_bool_chk(&argvars[1], &error);
     if (!error && argvars[2].v_type != VAR_UNKNOWN) {
-      return_list = (bool)tv_get_number_chk(&argvars[2], &error);
+      return_list = (bool)tv_get_bool_chk(&argvars[2], &error);
     }
     if (error) {
       return;
@@ -2838,7 +2838,7 @@ static void f_index(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
       assert(item != NULL);
     }
     if (argvars[3].v_type != VAR_UNKNOWN) {
-      ic = !!tv_get_number_chk(&argvars[3], &error);
+      ic = !!tv_get_bool_chk(&argvars[3], &error);
       if (error) {
         item = NULL;
       }
diff --git a/src/nvim/mapping.c b/src/nvim/mapping.c
index b034c0be46..f3381770cf 100644
--- a/src/nvim/mapping.c
+++ b/src/nvim/mapping.c
@@ -2072,7 +2072,7 @@ void f_hasmapto(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
   } else {
     mode = tv_get_string_buf(&argvars[1], buf);
     if (argvars[2].v_type != VAR_UNKNOWN) {
-      abbr = tv_get_number(&argvars[2]);
+      abbr = tv_get_bool(&argvars[2]);
     }
   }
 
@@ -2164,9 +2164,9 @@ static void get_maparg(typval_T *argvars, typval_T *rettv, int exact)
   if (argvars[1].v_type != VAR_UNKNOWN) {
     which = tv_get_string_buf_chk(&argvars[1], buf);
     if (argvars[2].v_type != VAR_UNKNOWN) {
-      abbr = (bool)tv_get_number(&argvars[2]);
+      abbr = (bool)tv_get_bool(&argvars[2]);
       if (argvars[3].v_type != VAR_UNKNOWN) {
-        get_dict = (bool)tv_get_number(&argvars[3]);
+        get_dict = (bool)tv_get_bool(&argvars[3]);
       }
     }
   } else {