diff --git a/apps/api/src/jobs/deployApplication.ts b/apps/api/src/jobs/deployApplication.ts
index 8fb71cfe6..00805b832 100644
--- a/apps/api/src/jobs/deployApplication.ts
+++ b/apps/api/src/jobs/deployApplication.ts
@@ -406,7 +406,7 @@ import * as buildpacks from '../lib/buildPacks';
 									installCommand = configuration.installCommand;
 									startCommand = configuration.startCommand;
 									buildCommand = configuration.buildCommand;
-									publishDirectory = configuration.publishDirectory;
+									publishDirectory = configuration.publishDirectory || '';
 									baseDirectory = configuration.baseDirectory || '';
 									dockerFileLocation = configuration.dockerFileLocation;
 									dockerComposeFileLocation = configuration.dockerComposeFileLocation;