diff --git a/common/calculate.ts b/common/calculate.ts
index 44dc9113..47fee8c6 100644
--- a/common/calculate.ts
+++ b/common/calculate.ts
@@ -215,7 +215,7 @@ export function getContractBetMetrics(contract: Contract, yourBets: Bet[]) {
   }
 
   const profit = payout + saleValue + redeemed - totalInvested
-  const profitPercent = (profit / totalInvested) * 100
+  const profitPercent = totalInvested === 0 ? 0 : (profit / totalInvested) * 100
 
   const invested = isCpmm ? getCpmmInvested(yourBets) : getDpmInvested(yourBets)
   const hasShares = Object.values(totalShares).some(
diff --git a/functions/.env.dev b/functions/.env.dev
new file mode 100644
index 00000000..b5aae225
--- /dev/null
+++ b/functions/.env.dev
@@ -0,0 +1,3 @@
+# This sets which EnvConfig is deployed to Firebase Cloud Functions
+
+NEXT_PUBLIC_FIREBASE_ENV=DEV
diff --git a/functions/.env b/functions/.env.prod
similarity index 100%
rename from functions/.env
rename to functions/.env.prod
diff --git a/functions/package.json b/functions/package.json
index 0397c5db..cd2a9ec5 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -5,7 +5,7 @@
     "firestore": "dev-mantic-markets.appspot.com"
   },
   "scripts": {
-    "build": "yarn compile && rm -rf dist && mkdir -p dist/functions && cp -R ../common/lib dist/common && cp -R lib/src dist/functions/src && cp ../yarn.lock dist && cp package.json dist && cp .env dist",
+    "build": "yarn compile && rm -rf dist && mkdir -p dist/functions && cp -R ../common/lib dist/common && cp -R lib/src dist/functions/src && cp ../yarn.lock dist && cp package.json dist && cp .env.prod dist && cp .env.dev dist",
     "compile": "tsc -b",
     "watch": "tsc -w",
     "shell": "yarn build && firebase functions:shell",
diff --git a/functions/src/update-metrics.ts b/functions/src/update-metrics.ts
index fcaf9f08..1fde9cfd 100644
--- a/functions/src/update-metrics.ts
+++ b/functions/src/update-metrics.ts
@@ -30,7 +30,9 @@ const firestore = admin.firestore()
 export const scheduleUpdateMetrics = functions.pubsub
   .schedule('every 15 minutes')
   .onRun(async () => {
-    const response = await fetch(getFunctionUrl('updatemetrics'), {
+    const url = getFunctionUrl('updatemetrics')
+    console.log('Scheduling update metrics', url)
+    const response = await fetch(url, {
       headers: {
         'Content-Type': 'application/json',
       },