diff --git a/config/application.yml.default b/config/application.yml.default
index c3a4d9aff..4aed18a73 100644
--- a/config/application.yml.default
+++ b/config/application.yml.default
@@ -20,7 +20,7 @@ DEFAULT_HOST: fab-manager.com
 DEFAULT_PROTOCOL: https
 DELIVERY_METHOD: smtp
 SMTP_ADDRESS:
-SMTP_PORT: 587
+SMTP_PORT: '587'
 SMTP_USER_NAME:
 SMTP_PASSWORD:
 GA_ID: ''
@@ -61,4 +61,4 @@ ALLOWED_EXTENSIONS: pdf ai eps cad math svg stl dxf dwg obj step iges igs 3dm 3d
 ALLOWED_MIME_TYPES: application/pdf application/postscript application/illustrator image/x-eps image/svg+xml application/sla application/dxf application/acad application/dwg application/octet-stream application/step application/iges model/iges x-world/x-3dmf application/ application/vnd.openxmlformats-officedocument.wordprocessingml.document image/png text/x-arduino text/plain application/scad application/vnd.sketchup.skp application/x-koan application/vnd-koan koan/x-skm application/vnd.koan application/x-tex application/x-latex
 
 # 10485760 = 10 megabytes
-MAX_IMAGE_SIZE: 10485760
+MAX_IMAGE_SIZE: '10485760'