diff --git a/lib/server/controllers/apiController.js b/lib/server/controllers/apiController.js
index 56d377b..a2addbf 100644
--- a/lib/server/controllers/apiController.js
+++ b/lib/server/controllers/apiController.js
@@ -96,7 +96,7 @@ var ApiController = function(app) {
             if (run.params.screenshot) {
                 
                 // Replace the empty promise created earlier with Q.resolve()
-                screenshotPromise = screenshot.toThumbnail(400)
+                screenshotPromise = screenshot.toThumbnail(serverSettings.screenshotWidth || 400)
                 
                     // Read screenshot
                     .then(function(screenshotBuffer) {
diff --git a/server_config/settings-prod.json b/server_config/settings-prod.json
index cddfdae..b3d890d 100644
--- a/server_config/settings-prod.json
+++ b/server_config/settings-prod.json
@@ -2,6 +2,7 @@
     "serverPort": 80,
     "phantomasEngine": "webkit",
     "googleAnalyticsId": "",
+    "screenshotWidth": 400,
 
     "authorizedKeys": {
         
diff --git a/server_config/settings.json b/server_config/settings.json
index dcd2136..6b7bc71 100644
--- a/server_config/settings.json
+++ b/server_config/settings.json
@@ -2,6 +2,7 @@
     "serverPort": 8383,
     "phantomasEngine": "webkit",
     "googleAnalyticsId": "",
+    "screenshotWidth": 400,
 
     "authorizedKeys": {