1 files changed, 3 insertions, 3 deletions
diff --git a/frontend/src/reducers/current-ids.js b/frontend/src/reducers/current-ids.js
index 76ae67c7..b80d2ecf 100644
--- a/frontend/src/reducers/current-ids.js
+++ b/frontend/src/reducers/current-ids.js
@@ -2,18 +2,18 @@ import { OPEN_EXPERIMENT_SUCCEEDED } from '../actions/experiments'
 import { OPEN_SIMULATION_SUCCEEDED } from '../actions/simulations'
 import { RESET_CURRENT_TOPOLOGY, SET_CURRENT_TOPOLOGY } from '../actions/topology/building'
 
-export function currentTopologyId(state = -1, action) {
+export function currentTopologyId(state = '-1', action) {
     switch (action.type) {
         case SET_CURRENT_TOPOLOGY:
             return action.topologyId
         case RESET_CURRENT_TOPOLOGY:
-            return -1
+            return '-1'
         default:
             return state
     }
 }
 
-export function currentSimulationId(state = -1, action) {
+export function currentSimulationId(state = '-1', action) {
     switch (action.type) {
         case OPEN_SIMULATION_SUCCEEDED:
             return action.id