diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 7cdf276e03..343c2f777e 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1922,6 +1922,18 @@ def MyDefVarargs(one: string, two = 'foo', ...rest: list<string>): string
   return res
 enddef
 
+def Test_call_def_comments()
+  var lines =<< trim END
+      def Func(n: number)
+        echo n
+      enddef
+      Func( # comment
+        1
+        )
+  END
+  v9.CheckSourceDefSuccess(lines)
+enddef
+
 def Test_call_def_varargs()
   assert_fails('g:MyDefVarargs()', 'E119:', '', 1, 'Test_call_def_varargs')
   g:MyDefVarargs('one')->assert_equal('one,foo')
diff --git a/src/version.c b/src/version.c
index 099a5fd0e4..ceab876163 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    47,
 /**/
     46,
 /**/
diff --git a/src/vim9expr.c b/src/vim9expr.c
index ebab9ec136..89219996ef 100644
--- a/src/vim9expr.c
+++ b/src/vim9expr.c
@@ -1392,7 +1392,6 @@ compile_call(
     else
 	*arg += varlen + 1;
 
-    *arg = skipwhite(*arg);
     if (compile_arguments(arg, cctx, &argcount, special_fn) == FAIL)
 	goto theend;