diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b7c9f7..eea3f24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Constrained remote Memos avatars to a fixed, cropped size so oversized source images cannot break dashboard or source-page layouts.
+
 ## [0.8.0] - 2026-07-19
 
 ### Added
diff --git a/app/avatar.css b/app/avatar.css
new file mode 100644
index 0000000..c1e14b6
--- /dev/null
+++ b/app/avatar.css
@@ -0,0 +1,12 @@
+.avatar {
+  display: inline-block;
+  width: 2rem;
+  height: 2rem;
+  max-width: 2rem;
+  max-height: 2rem;
+  object-fit: cover;
+  object-position: center;
+  border-radius: 50%;
+  vertical-align: middle;
+  flex: 0 0 2rem;
+}
diff --git a/app/layout.tsx b/app/layout.tsx
index ea8af18..173551b 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,4 +1,5 @@
 import "./styles.css";
+import "./avatar.css";
 import Link from "next/link";
 import { getSession } from "@/lib/auth";
 import { db } from "@/lib/db";