diff --git a/app/assets/stylesheets/framework/sidebar.scss b/app/assets/stylesheets/framework/sidebar.scss
index 5cf9330b8f8..542b641e3dd 100644
--- a/app/assets/stylesheets/framework/sidebar.scss
+++ b/app/assets/stylesheets/framework/sidebar.scss
@@ -92,7 +92,7 @@
 @mixin maintain-sidebar-dimensions {
   display: block;
   width: $gutter-width;
-  padding: 10px 20px;
+  padding: 10px 0;
 }
 
 .issues-bulk-update.right-sidebar {
diff --git a/app/assets/stylesheets/pages/issuable.scss b/app/assets/stylesheets/pages/issuable.scss
index 057d457b3a2..47f50083726 100644
--- a/app/assets/stylesheets/pages/issuable.scss
+++ b/app/assets/stylesheets/pages/issuable.scss
@@ -200,7 +200,6 @@
   right: 0;
   transition: width .3s;
   background: $gray-light;
-  padding: 0 20px;
   z-index: 200;
   overflow: hidden;
 
@@ -224,6 +223,10 @@
       }
     }
 
+    .issuable-sidebar {
+      padding: 0 20px;
+    }
+
     .issuable-sidebar-header {
       padding-top: 10px;
     }
diff --git a/changelogs/unreleased/34578-sidebar-padding.yml b/changelogs/unreleased/34578-sidebar-padding.yml
new file mode 100644
index 00000000000..dc4647298e6
--- /dev/null
+++ b/changelogs/unreleased/34578-sidebar-padding.yml
@@ -0,0 +1,4 @@
+---
+title: fix left & right padding on sidebar
+merge_request:
+author: