diff --git a/app/assets/stylesheets/framework/blocks.scss b/app/assets/stylesheets/framework/blocks.scss
index dbd990f84c1863f4acf2a008797b01a3b5b19a59..8819a0c20f457bcebd465668cc00ab77b6244a99 100644
--- a/app/assets/stylesheets/framework/blocks.scss
+++ b/app/assets/stylesheets/framework/blocks.scss
@@ -209,7 +209,6 @@
     padding: 24px 0 0;
 
     .nav-links {
-      justify-content: center;
       width: 100%;
       float: none;
 
@@ -217,6 +216,14 @@
         float: none;
       }
     }
+
+    li:first-child {
+      margin-left: auto;
+    }
+
+    li:last-child {
+      margin-right: auto;
+    }
   }
 
   .group-info {
diff --git a/changelogs/unreleased/fix-user-tab-activity-mobile.yml b/changelogs/unreleased/fix-user-tab-activity-mobile.yml
new file mode 100644
index 0000000000000000000000000000000000000000..a7e4fcb4355750846d9288456f0162a0de88d154
--- /dev/null
+++ b/changelogs/unreleased/fix-user-tab-activity-mobile.yml
@@ -0,0 +1,5 @@
+---
+title: Fixed user profile activity tab being off-screen on mobile
+merge_request:
+author:
+type: fixed