diff --git a/app/views/layouts/nav/_breadcrumbs.html.haml b/app/views/layouts/nav/_breadcrumbs.html.haml
index 4db84771f4e..653452871a0 100644
--- a/app/views/layouts/nav/_breadcrumbs.html.haml
+++ b/app/views/layouts/nav/_breadcrumbs.html.haml
@@ -1,8 +1,9 @@
 - breadcrumb_link = breadcrumb_title_link
+- container = @no_breadcrumb_container ? 'container-fluid' : container_class
 - hide_top_links = @hide_top_links || false
 
 %nav.breadcrumbs{ role: "navigation" }
-  .breadcrumbs-container{ class: [container_class, @content_class] }
+  .breadcrumbs-container{ class: [container, @content_class] }
     - if defined?(@new_sidebar)
       = button_tag class: 'toggle-mobile-nav', type: 'button' do
         %span.sr-only Open sidebar
diff --git a/app/views/projects/boards/_show.html.haml b/app/views/projects/boards/_show.html.haml
index 2076e46fde8..5354ec8522e 100644
--- a/app/views/projects/boards/_show.html.haml
+++ b/app/views/projects/boards/_show.html.haml
@@ -1,3 +1,4 @@
+- @no_breadcrumb_container = true
 - @no_container = true
 - @content_class = "issue-boards-content"
 - page_title "Boards"
diff --git a/changelogs/unreleased/issue-boards-breadcrumbs-container.yml b/changelogs/unreleased/issue-boards-breadcrumbs-container.yml
new file mode 100644
index 00000000000..5e042de7000
--- /dev/null
+++ b/changelogs/unreleased/issue-boards-breadcrumbs-container.yml
@@ -0,0 +1,5 @@
+---
+title: Fix breadcrumbs container in issue boards
+merge_request:
+author:
+type: fixed