diff --git a/src/cascadia/TerminalSettingsEditor/Profiles.xaml b/src/cascadia/TerminalSettingsEditor/Profiles.xaml
index 0a32eb21d..85ab6931a 100644
--- a/src/cascadia/TerminalSettingsEditor/Profiles.xaml
+++ b/src/cascadia/TerminalSettingsEditor/Profiles.xaml
@@ -320,6 +320,8 @@ the MIT License. See LICENSE in the project root for license information. -->
                                                     Visibility="{x:Bind IsVintageCursor, Mode=OneWay}">
                                 <muxc:NumberBox Value="{x:Bind State.Profile.CursorHeight, Mode=TwoWay}"
                                                 Style="{StaticResource NumberBoxSettingStyle}"
+                                                Minimum="1"
+                                                Maximum="100"
                                                 SmallChange="1"
                                                 LargeChange="10"/>
                             </local:SettingContainer>
@@ -662,6 +664,7 @@ the MIT License. See LICENSE in the project root for license information. -->
                                                 SettingOverrideSource="{x:Bind State.Profile.HistorySizeOverrideSource, Mode=OneWay}">
                             <muxc:NumberBox Value="{x:Bind State.Profile.HistorySize, Mode=TwoWay}"
                                             Style="{StaticResource NumberBoxSettingStyle}"
+                                            Minimum="0"
                                             SmallChange="10"
                                             LargeChange="100"/>
                         </local:SettingContainer>