diff --git a/build/actions/preload.js b/build/actions/preload.js
index 8fc96c8b..2195c738 100644
--- a/build/actions/preload.js
+++ b/build/actions/preload.js
@@ -188,7 +188,9 @@ module.exports = {
           }
           return Promise["try"](function() {
             if (options.commit) {
-              if (_.map(builds, 'commit_hash').indexOf(options.commit) === -1) {
+              if (!_.find(application.build, {
+                commit_hash: options.commit
+              })) {
                 expectedError('There is no build matching this commit');
               }
               return options.commit;
diff --git a/lib/actions/preload.coffee b/lib/actions/preload.coffee
index 70f3437b..72c7243a 100644
--- a/lib/actions/preload.coffee
+++ b/lib/actions/preload.coffee
@@ -196,7 +196,7 @@ module.exports =
 					# Use the commit given as --commit or show an interactive commit selection menu
 					Promise.try ->
 						if options.commit
-							if _.map(builds, 'commit_hash').indexOf(options.commit) == -1
+							if not _.find(application.build, commit_hash: options.commit)
 								expectedError('There is no build matching this commit')
 							return options.commit
 						selectApplicationCommit(expectedError, resin, form, application.build)