diff --git a/src/main/java/org/ihtsdo/buildcloud/core/dao/BuildDAOImpl.java b/src/main/java/org/ihtsdo/buildcloud/core/dao/BuildDAOImpl.java
index fb5947eb9..933442327 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/dao/BuildDAOImpl.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/dao/BuildDAOImpl.java
@@ -1043,9 +1043,10 @@ public boolean isBuildCancelRequested(final Build build) {
 	@Override
 	public void deleteOutputFiles(Build build) {
 		List<String> outputFiles = listOutputFilePaths(build);
+		final String outputFilesPath = pathHelper.getOutputFilesPath(build);
 		for (String outputFile : outputFiles) {
-			if (srsFileHelper.exists(outputFile)) {
-				srsFileHelper.deleteFile(outputFile);
+			if (srsFileHelper.exists(outputFilesPath + outputFile)) {
+				srsFileHelper.deleteFile(outputFilesPath + outputFile);
 			}
 		}
 	}
@@ -1054,11 +1055,12 @@ public void deleteOutputFiles(Build build) {
 	public void deleteTransformedFiles(Build build) {
 		List<String> transformedFiles = listTransformedFilePaths(build);
 		LOGGER.info("Transformed file size: {}", transformedFiles.size());
+		final String transformedFilesPath = pathHelper.getBuildTransformedFilesPath(build).toString();
 		for (String transformedFile : transformedFiles) {
 			LOGGER.info("File to delete: {}", transformedFile);
-			if (srsFileHelper.exists(transformedFile)) {
+			if (srsFileHelper.exists(transformedFilesPath + transformedFile)) {
 				LOGGER.info("Deleting the transformed file: {}", transformedFile);
-				srsFileHelper.deleteFile(transformedFile);
+				srsFileHelper.deleteFile(transformedFilesPath + transformedFile);
 			}
 		}
 	}
diff --git a/src/main/java/org/ihtsdo/buildcloud/core/dao/helper/S3PathHelper.java b/src/main/java/org/ihtsdo/buildcloud/core/dao/helper/S3PathHelper.java
index 559d7e09d..f092c5f3e 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/dao/helper/S3PathHelper.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/dao/helper/S3PathHelper.java
@@ -139,7 +139,7 @@ private String getFilePath(final Build build, final String relativePath) {
 	}
 
 	public StringBuilder getBuildTransformedFilesPath(final Build build) {
-		return getBuildPath(build.getReleaseCenterKey(), build.getProductKey(), build.getId()).append(TRANSFORMED_FILES).append(SEPARATOR);
+		return getBuildPath(build).append(TRANSFORMED_FILES).append(SEPARATOR);
 	}
 
 	public String getTransformedFilePath(final Build build, final String relativeFilePath) {