diff --git a/ts/components/leftpane/overlay/OverlayCommunity.tsx b/ts/components/leftpane/overlay/OverlayCommunity.tsx
index 52ece519b..ac109faf4 100644
--- a/ts/components/leftpane/overlay/OverlayCommunity.tsx
+++ b/ts/components/leftpane/overlay/OverlayCommunity.tsx
@@ -14,7 +14,6 @@ import { resetLeftOverlayMode } from '../../../state/ducks/section';
 import { SessionButton } from '../../basic/SessionButton';
 import { SessionSpinner } from '../../loading';
 
-import { VALIDATION } from '../../../session/constants';
 import {
   markConversationInitialLoadingInProgress,
   openConversationWithMessages,
@@ -23,6 +22,7 @@ import { getLeftOverlayMode } from '../../../state/selectors/section';
 import { Spacer2XL } from '../../basic/Text';
 import { SessionInput } from '../../inputs';
 import { StyledLeftPaneOverlay } from './OverlayMessage';
+import LIBSESSION_CONSTANTS from '../../../session/utils/libsession/libsession_constants';
 
 async function joinOpenGroup(
   serverUrl: string,
@@ -105,7 +105,8 @@ export const OverlayCommunity = () => {
         onValueChanged={setGroupUrl}
         onEnterPressed={onTryJoinRoom}
         error={groupUrlError}
-        maxLength={VALIDATION.MAX_COMMUNITY_NAME_LENGTH}
+        // - 1 for null terminator
+        maxLength={LIBSESSION_CONSTANTS.COMMUNITY_FULL_URL_MAX_LENGTH - 1}
         textSize="md"
         centerText={true}
         monospaced={true}
diff --git a/ts/session/constants.ts b/ts/session/constants.ts
index 3f39a8a1d..73c944d39 100644
--- a/ts/session/constants.ts
+++ b/ts/session/constants.ts
@@ -72,7 +72,6 @@ export const MAX_ATTACHMENT_FILESIZE_BYTES = 10 * 1000 * 1000;
 
 export const VALIDATION = {
   MAX_GROUP_NAME_LENGTH: 30,
-  MAX_COMMUNITY_NAME_LENGTH: 300,
   CLOSED_GROUP_SIZE_LIMIT: 100,
 };
 
diff --git a/ts/session/utils/libsession/libsession_constants.ts b/ts/session/utils/libsession/libsession_constants.ts
index e41ea5597..be7d7a07e 100644
--- a/ts/session/utils/libsession/libsession_constants.ts
+++ b/ts/session/utils/libsession/libsession_constants.ts
@@ -1,13 +1,18 @@
 import { CONSTANTS, ConstantsType } from 'libsession_util_nodejs';
 
 // NOTE CONSTANTS is an immediately invoked function that returns the libsession constants object
-const { CONTACT_MAX_NAME_LENGTH, BASE_GROUP_MAX_NAME_LENGTH, GROUP_INFO_MAX_NAME_LENGTH } =
-  CONSTANTS;
+const {
+  CONTACT_MAX_NAME_LENGTH,
+  BASE_GROUP_MAX_NAME_LENGTH,
+  GROUP_INFO_MAX_NAME_LENGTH,
+  COMMUNITY_FULL_URL_MAX_LENGTH,
+} = CONSTANTS;
 
 const LIBSESSION_CONSTANTS: ConstantsType = {
   CONTACT_MAX_NAME_LENGTH,
   BASE_GROUP_MAX_NAME_LENGTH,
   GROUP_INFO_MAX_NAME_LENGTH,
+  COMMUNITY_FULL_URL_MAX_LENGTH,
 };
 
 export default LIBSESSION_CONSTANTS;