diff --git a/src/evalfunc.c b/src/evalfunc.c
index 771e393..69f7816 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2434,7 +2434,7 @@
     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)
 	rettv_list_set(rettv, NULL);
 
@@ -2458,7 +2458,7 @@
 	// 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)
 	{
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 8f4928a..cf48ba8 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1497,6 +1497,12 @@
   assert_equal(0, count('ABC ABC ABC', 'b', false))
 enddef
 
+def Test_expand()
+  split SomeFile
+  assert_equal(['SomeFile'], expand('%', true, true))
+  close
+enddef
+
 def Test_recursive_call()
   assert_equal(6765, Fibonacci(20))
 enddef
diff --git a/src/version.c b/src/version.c
index 9399221..c674148 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1572,
+/**/
     1571,
 /**/
     1570,