diff --git a/UNRELEASED.md b/UNRELEASED.md
index 4062039fe99..18f5ecd2da7 100644
--- a/UNRELEASED.md
+++ b/UNRELEASED.md
@@ -12,6 +12,7 @@ Use [the changelog guidelines](https://git.io/polaris-changelog-guidelines) to f
 
 ### Bug fixes
 
+- Fixed vertical misalignment in `Banner.Header`([#870](https://github.com/Shopify/polaris-react/pull/870))
 - Removed a duplicate `activatorWrapper` in `Popover` when destructuring props ([#916](https://github.com/Shopify/polaris-react/pull/916))
 - Fixed `Banner` secondaryAction content wrapping in Firefox ([#719](https://github.com/Shopify/polaris-react/pull/719))
 - Added `onKeyPress`, `onKeyDown`, and `onKeyUp` to `Button` ([#860](https://github.com/Shopify/polaris-react/pull/860))
diff --git a/src/components/Modal/components/Header/Header.scss b/src/components/Modal/components/Header/Header.scss
index 687ceab6e1e..0c9d1c90979 100644
--- a/src/components/Modal/components/Header/Header.scss
+++ b/src/components/Modal/components/Header/Header.scss
@@ -12,6 +12,6 @@
   word-break: break-word;
 
   @include breakpoint-after($typography-condensed) {
-    margin-top: rem(2px);
+    margin-top: rem(4px);
   }
 }