diff --git a/Dockerfile b/Dockerfile
index 1f7f2c7..d1f7821 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ COPY package.json package-lock.json ./
 RUN npm ci --only-prod
 
 COPY . ./
-ENV API_URL https://api.dev.sik.party/api
+ENV NEXT_PUBLIC_API_URL https://api.dev.sik.party/api
 RUN npm run build
 
 FROM fnichol/uhttpd AS server
diff --git a/Dockerfile.prod b/Dockerfile.prod
index 300d8d3..bb3fa6c 100644
--- a/Dockerfile.prod
+++ b/Dockerfile.prod
@@ -6,7 +6,7 @@ COPY package.json package-lock.json ./
 RUN npm ci --only-prod
 
 COPY . ./
-ENV API_URL https://sika.sik.party/api
+ENV NEXT_PUBLIC_API_URL https://sika.sik.party/api
 RUN npm run build
 
 FROM fnichol/uhttpd AS server