diff --git a/src/testdir/test_vimscript.vim b/src/testdir/test_vimscript.vim
index f497498..24dfd1b 100644
--- a/src/testdir/test_vimscript.vim
+++ b/src/testdir/test_vimscript.vim
@@ -6546,9 +6546,16 @@
     call assert_true(v:true != v:false)
 
     call assert_true(v:null == 0)
+    call assert_false(v:null == 1)
     call assert_false(v:null != 0)
     call assert_true(v:none == 0)
+    call assert_false(v:none == 1)
     call assert_false(v:none != 0)
+    if has('float')
+      call assert_true(v:null == 0.0)
+      call assert_false(v:null == 0.1)
+      call assert_false(v:null != 0.0)
+    endif
 
     call assert_true(v:false is v:false)
     call assert_true(v:true is v:true)
diff --git a/src/typval.c b/src/typval.c
index 38b81e8..e89ba9e 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -1405,6 +1405,15 @@
 	    case VAR_LIST: return tv->vval.v_list == NULL;
 	    case VAR_PARTIAL: return tv->vval.v_partial == NULL;
 	    case VAR_STRING: return tv->vval.v_string == NULL;
+
+	    case VAR_NUMBER: if (!in_vim9script())
+				 return tv->vval.v_number == 0;
+			     break;
+#ifdef FEAT_FLOAT
+	    case VAR_FLOAT: if (!in_vim9script())
+				 return tv->vval.v_float == 0.0;
+			     break;
+#endif
 	    default: break;
 	}
     }
diff --git a/src/version.c b/src/version.c
index 3918e74..b212379 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4489,
+/**/
     4488,
 /**/
     4487,