diff --git a/app/models/commit.rb b/app/models/commit.rb
index 2c89da88b9b54ba6dc4e341021f61a660ee68b9a..a422a0995ff91094d4f3b3a83497fc6effa7a013 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -177,7 +177,9 @@ class Commit
   def title
     return full_title if full_title.length < 100
 
-    full_title.truncate(81, separator: ' ', omission: '…')
+    # Use three dots instead of the ellipsis Unicode character because
+    # some clients show the raw Unicode value in the merge commit.
+    full_title.truncate(81, separator: ' ', omission: '...')
   end
 
   # Returns the full commits title
diff --git a/changelogs/unreleased/sh-truncate-with-periods.yml b/changelogs/unreleased/sh-truncate-with-periods.yml
new file mode 100644
index 0000000000000000000000000000000000000000..b1c6b4f9cbdd2bd9e4ba95ddc2a09dd073494911
--- /dev/null
+++ b/changelogs/unreleased/sh-truncate-with-periods.yml
@@ -0,0 +1,5 @@
+---
+title: Truncate merge request titles with periods instead of ellipsis
+merge_request: 23558
+author:
+type: changed
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index 2a0039a063545a90490a4e6fc0efe73a7c17a529..a2d2d77746dcf95746d3e9efc7033ae5474f4a73 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -204,7 +204,7 @@ describe Commit do
       message = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec sodales id felis id blandit. Vivamus egestas lacinia lacus, sed rutrum mauris.'
 
       allow(commit).to receive(:safe_message).and_return(message)
-      expect(commit.title).to eq('Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec sodales id felis…')
+      expect(commit.title).to eq('Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec sodales id...')
     end
 
     it "truncates a message with a newline before 80 characters at the newline" do