diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 25c40c8..c8c6afe 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -283,6 +283,16 @@
     assert_equal(123, Bar(Funcref))
   END
   CheckScriptSuccess(lines)
+
+  lines =<< trim END
+    vim9script
+    def UseNumber(nr: number)
+      echo nr
+    enddef
+    let Funcref: func(number) = function('UseNumber')
+    Funcref(123)
+  END
+  CheckScriptSuccess(lines)
 enddef
 
 let SomeFunc = function('len')
diff --git a/src/version.c b/src/version.c
index ab41071..91edd4a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1284,
+/**/
     1283,
 /**/
     1282,
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 3be8733..e032e23 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -1944,7 +1944,7 @@
 		if (p[1] == ':')
 		    p = skip_type(skipwhite(p + 2));
 		else
-		    p = skipwhite(p + 1);
+		    ++p;
 	    }
 	}
 	else