diff --git a/packages/@aws-cdk/aws-codecommit-codepipeline/lib/pipeline-action.ts b/packages/@aws-cdk/aws-codecommit-codepipeline/lib/pipeline-action.ts
index d21aaeb4a29f9..7c6016378186c 100644
--- a/packages/@aws-cdk/aws-codecommit-codepipeline/lib/pipeline-action.ts
+++ b/packages/@aws-cdk/aws-codecommit-codepipeline/lib/pipeline-action.ts
@@ -40,7 +40,7 @@ export class PipelineSource extends codepipeline.Source {
             configuration: {
                 RepositoryName: props.repository.repositoryName,
                 BranchName: props.branch || 'master',
-                PollForSourceChanges: props.pollForSourceChanges || true
+                PollForSourceChanges: props.pollForSourceChanges !== undefined ? props.pollForSourceChanges : true
             },
             artifactName: props.artifactName
         });
diff --git a/packages/@aws-cdk/aws-codecommit-codepipeline/test/test.pipeline-action.ts b/packages/@aws-cdk/aws-codecommit-codepipeline/test/test.pipeline-action.ts
new file mode 100644
index 0000000000000..a71c24ffbb43d
--- /dev/null
+++ b/packages/@aws-cdk/aws-codecommit-codepipeline/test/test.pipeline-action.ts
@@ -0,0 +1,45 @@
+import codecommit = require("@aws-cdk/aws-codecommit");
+import codepipeline = require("@aws-cdk/aws-codepipeline");
+import cdk = require('@aws-cdk/cdk');
+import { Test } from 'nodeunit';
+import codecommitCodepipeline = require('../lib');
+
+export = {
+    'polling for changes': {
+
+        'does not poll for changes'(test: Test) {
+            const stack = new cdk.Stack();
+
+            const result = new codecommitCodepipeline.PipelineSource(stageForTesting(stack), 'stage', {
+                artifactName: 'SomeArtifact',
+                repository: repositoryForTesting(stack),
+                pollForSourceChanges: false
+            });
+            test.equal(result.configuration.PollForSourceChanges, false);
+            test.done();
+        },
+
+        'polls for changes'(test: Test) {
+            const stack = new cdk.Stack();
+
+            const result = new codecommitCodepipeline.PipelineSource(stageForTesting(stack), 'stage', {
+                artifactName: 'SomeArtifact',
+                repository: repositoryForTesting(stack),
+                pollForSourceChanges: true
+            });
+            test.equal(result.configuration.PollForSourceChanges, true);
+            test.done();
+        }
+    }
+};
+
+function stageForTesting(stack: cdk.Stack): codepipeline.Stage {
+    const pipeline = new codepipeline.Pipeline(stack, 'pipeline');
+    return new codepipeline.Stage(pipeline, 'stage');
+}
+
+function repositoryForTesting(stack: cdk.Stack): codecommit.Repository {
+    return new codecommit.Repository(stack, 'Repository', {
+        repositoryName: 'Repository'
+    });
+}