diff --git a/src/terminal/Terminal.zig b/src/terminal/Terminal.zig
index 86f9f37e6..fe1bbc2d3 100644
--- a/src/terminal/Terminal.zig
+++ b/src/terminal/Terminal.zig
@@ -714,6 +714,11 @@ test "Terminal: setScrollingRegion" {
     t.setScrollingRegion(7, 3);
     try testing.expectEqual(@as(usize, 0), t.scrolling_region.top);
     try testing.expectEqual(@as(usize, t.rows - 1), t.scrolling_region.bottom);
+
+    // Scroll region with zero top and bottom
+    t.setScrollingRegion(0, 0);
+    try testing.expectEqual(@as(usize, 0), t.scrolling_region.top);
+    try testing.expectEqual(@as(usize, t.rows - 1), t.scrolling_region.bottom);
 }
 
 test "Terminal: deleteLines" {
diff --git a/src/terminal/stream.zig b/src/terminal/stream.zig
index ba262a52f..06c9ecd56 100644
--- a/src/terminal/stream.zig
+++ b/src/terminal/stream.zig
@@ -327,6 +327,7 @@ pub fn Stream(comptime Handler: type) type {
                 // DECSTBM - Set Top and Bottom Margins
                 // TODO: test
                 'r' => if (@hasDecl(T, "setTopAndBottomMargin")) switch (action.params.len) {
+                    0 => try self.handler.setTopAndBottomMargin(0, 0),
                     1 => try self.handler.setTopAndBottomMargin(action.params[0], 0),
                     2 => try self.handler.setTopAndBottomMargin(action.params[0], action.params[1]),
                     else => log.warn("invalid DECSTBM command: {}", .{action}),