diff --git a/lib/hooks/ens-cache.js b/lib/hooks/ens-cache.js
--- a/lib/hooks/ens-cache.js
+++ b/lib/hooks/ens-cache.js
@@ -82,22 +82,26 @@
     }
   }, [cachedInfo, fetchedAddresses, ensCache]);
 
-  return cachedInfo.map(user => {
-    if (!user) {
-      return user;
-    }
-    const { input, ethAddress, cachedResult } = user;
-    if (cachedResult) {
-      return { ...input, username: cachedResult };
-    } else if (!ethAddress) {
-      return input;
-    }
-    const ensName = ensNames.get(ethAddress);
-    if (ensName) {
-      return { ...input, username: ensName };
-    }
-    return input;
-  });
+  return React.useMemo(
+    () =>
+      cachedInfo.map(user => {
+        if (!user) {
+          return user;
+        }
+        const { input, ethAddress, cachedResult } = user;
+        if (cachedResult) {
+          return { ...input, username: cachedResult };
+        } else if (!ethAddress) {
+          return input;
+        }
+        const ensName = ensNames.get(ethAddress);
+        if (ensName) {
+          return { ...input, username: ensName };
+        }
+        return input;
+      }),
+    [cachedInfo, ensNames],
+  );
 }
 
 function useStringForUser(