diff --git a/src/ex_eval.c b/src/ex_eval.c
index ab30798..e3c544b 100644
--- a/src/ex_eval.c
+++ b/src/ex_eval.c
@@ -1827,6 +1827,16 @@
 	    cstack->cs_flags[idx] |= CSF_ACTIVE | CSF_CAUGHT;
 	    did_emsg = got_int = did_throw = FALSE;
 	    catch_exception((except_T *)cstack->cs_exception[idx]);
+
+	    if (cstack->cs_idx >= 0
+			       && (cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
+	    {
+		// Variables declared in the previous block can no longer be
+		// used.
+		leave_block(cstack);
+		enter_block(cstack);
+	    }
+
 	    // It's mandatory that the current exception is stored in the cstack
 	    // so that it can be discarded at the next ":catch", ":finally", or
 	    // ":endtry" or when the catch clause is left by a ":continue",
@@ -1930,6 +1940,15 @@
 	     */
 	    cleanup_conditionals(cstack, CSF_TRY, FALSE);
 
+	    if (cstack->cs_idx >= 0
+			       && (cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
+	    {
+		// Variables declared in the previous block can no longer be
+		// used.
+		leave_block(cstack);
+		enter_block(cstack);
+	    }
+
 	    /*
 	     * Make did_emsg, got_int, did_throw pending.  If set, they overrule
 	     * a pending ":continue", ":break", ":return", or ":finish".  Then
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 3c3434d..68178cf 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -763,6 +763,30 @@
   v9.CheckDefAndScriptSuccess(lines)
 enddef
 
+def Test_try_var_decl()
+  var lines =<< trim END
+      vim9script
+      try
+        var in_try = 1
+        assert_equal(1, get(s:, 'in_try', -1))
+        throw "getout"
+      catch
+        var in_catch = 2
+        assert_equal(-1, get(s:, 'in_try', -1))
+        assert_equal(2, get(s:, 'in_catch', -1))
+      finally
+        var in_finally = 3
+        assert_equal(-1, get(s:, 'in_try', -1))
+        assert_equal(-1, get(s:, 'in_catch', -1))
+        assert_equal(3, get(s:, 'in_finally', -1))
+      endtry
+      assert_equal(-1, get(s:, 'in_try', -1))
+      assert_equal(-1, get(s:, 'in_catch', -1))
+      assert_equal(-1, get(s:, 'in_finally', -1))
+  END
+  v9.CheckScriptSuccess(lines)
+enddef
+
 def Test_try_ends_in_return()
   var lines =<< trim END
       vim9script
diff --git a/src/version.c b/src/version.c
index 6131427..c6a9f73 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4499,
+/**/
     4498,
 /**/
     4497,