diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_constructs/adf_codebuild.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_constructs/adf_codebuild.py
index b6112c10e..4ebb45286 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_constructs/adf_codebuild.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_constructs/adf_codebuild.py
@@ -380,7 +380,7 @@ def determine_build_image(codebuild_id, scope, target, map_params):
             if repository_name:
                 repository_arn = (
                     f"arn:aws:ecr:{ADF_DEPLOYMENT_REGION}:"
-                    f"{ADF_DEPLOYMENT_ACCOUNT_ID}:{repository_name}"
+                    f"{ADF_DEPLOYMENT_ACCOUNT_ID}:repository/{repository_name}"
                 )
 
             ecr_repo = _ecr.Repository.from_repository_arn(