diff --git a/Dockerfile b/Dockerfile
index 98ddbb9..97679e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,7 @@ RUN coverage run --source ./runci --timid -m unittest && coverage report -m
 RUN pip install .
 
 COPY runci.spec /src/runci.spec
+COPY hook-*.py /src/
 RUN pyinstaller runci.spec
 
 
diff --git a/hook-runci.engine.py b/hook-runci.engine.py
new file mode 100644
index 0000000..e565714
--- /dev/null
+++ b/hook-runci.engine.py
@@ -0,0 +1,4 @@
+from runci.engine.core import default_modules
+
+
+hiddenimports = default_modules
diff --git a/runci.spec b/runci.spec
index 0035e46..712f8d2 100644
--- a/runci.spec
+++ b/runci.spec
@@ -7,8 +7,8 @@ a = Analysis(['main.py'],
              pathex=['./runci'],
              binaries=[],
              datas=[],
-             hiddenimports=[],
-             hookspath=[],
+             hiddenimports=['runci.engine'],
+             hookspath=['.'],
              runtime_hooks=[],
              excludes=[],
              win_no_prefer_redirects=False,
diff --git a/runci/cli/main.py b/runci/cli/main.py
index 8d1a1ca..82a9250 100644
--- a/runci/cli/main.py
+++ b/runci/cli/main.py
@@ -32,22 +32,22 @@ def main(targets, file):
     unknown_targets = [t for t in targets if t not in [t.name for t in project.targets]]
     if any(unknown_targets):
         print("Unkown targets: %s" % str.join(" ", unknown_targets), file=sys.stderr)
-        exit(1)
+        sys.exit(1)
 
     result = asyncio.run(run_project(context))
 
     if result == JobStatus.SUCCEEDED:
         print("Pipeline has run succesfully.")
-        exit(0)
+        sys.exit(0)
     elif result == JobStatus.FAILED:
         print("Pipeline has failed.", file=sys.stderr)
-        exit(1)
+        sys.exit(1)
     elif result == JobStatus.CANCELED:
         print("Pipeline has been canceled.", file=sys.stderr)
-        exit(2)
+        sys.exit(2)
     else:
         print("Pipeline has been run but outcome is undetermined. Please report this as a bug.", file=sys.stderr)
-        exit(3)
+        sys.exit(3)
 
 
 async def run_project(context):