diff --git a/Procfile.dev b/Procfile.dev
index 2a9bbd37c..88a1c79b1 100644
--- a/Procfile.dev
+++ b/Procfile.dev
@@ -1,2 +1,2 @@
-backend: bin/rails s -p ${PORT:=3000}
+backend: bin/rails s -p 3000
 frontend: bin/webpack-dev-server
\ No newline at end of file
diff --git a/docker/Procfile.docker.dev b/docker/Procfile.docker.dev
index 29b5d1b8d..e2d095a4b 100644
--- a/docker/Procfile.docker.dev
+++ b/docker/Procfile.docker.dev
@@ -1,2 +1,2 @@
-backend: ../bin/rails server -b 0.0.0.0 -p ${PORT:=3000}
+backend: ../bin/rails server -b 0.0.0.0 -p 3000
 frontend: ../bin/webpack-dev-server
\ No newline at end of file