diff --git a/changelogs/unreleased/rails5-fix-47376.yml b/changelogs/unreleased/rails5-fix-47376.yml
new file mode 100644
index 00000000000..ac9950e908e
--- /dev/null
+++ b/changelogs/unreleased/rails5-fix-47376.yml
@@ -0,0 +1,5 @@
+---
+title: Rails 5 fix glob spec
+merge_request: 19469
+author: Jasper Maes
+type: fixed
diff --git a/spec/lib/gitlab/sql/glob_spec.rb b/spec/lib/gitlab/sql/glob_spec.rb
index f0bb4294d62..1cf8935bfe3 100644
--- a/spec/lib/gitlab/sql/glob_spec.rb
+++ b/spec/lib/gitlab/sql/glob_spec.rb
@@ -35,8 +35,9 @@ describe Gitlab::SQL::Glob do
     value = query("SELECT #{quote(string)} LIKE #{pattern}")
               .rows.flatten.first
 
+    check = Gitlab.rails5? ? true : 't'
     case value
-    when 't', 1
+    when check, 1
       true
     else
       false