diff --git a/apps/extension/src/shared/components/grpc-endpoint-form/index.tsx b/apps/extension/src/shared/components/grpc-endpoint-form/index.tsx
index bea04e5c..633611b3 100644
--- a/apps/extension/src/shared/components/grpc-endpoint-form/index.tsx
+++ b/apps/extension/src/shared/components/grpc-endpoint-form/index.tsx
@@ -74,7 +74,7 @@ export const GrpcEndpointForm = ({
                   placeholder='Enter URL'
                   ref={customGrpcEndpointInput}
                   value={isCustomGrpcEndpoint && !!grpcEndpointInput ? grpcEndpointInput : ''}
-                  onChange={e => setGrpcEndpointInput(e.target.value)}
+                  onChange={e => setGrpcEndpointInput(e.target.value.replace(/\/$/, ''))}
                   className='w-full rounded border border-secondary bg-background p-1 outline-0 transition hover:border-gray-400 focus:border-gray-400'
                 />
               }