diff --git a/src/trimage/ThreadPool/__init__.py b/src/trimage/ThreadPool/__init__.py
index 727a8b3..86974f0 100644
--- a/src/trimage/ThreadPool/__init__.py
+++ b/src/trimage/ThreadPool/__init__.py
@@ -1 +1 @@
-from ThreadPool import ThreadPool, ThreadPoolMixIn
\ No newline at end of file
+from .ThreadPool import ThreadPool, ThreadPoolMixIn
diff --git a/src/trimage/filesize/__init__.py b/src/trimage/filesize/__init__.py
index 68d9fc2..e926dd0 100644
--- a/src/trimage/filesize/__init__.py
+++ b/src/trimage/filesize/__init__.py
@@ -1,2 +1,2 @@
-from filesize import size
-from filesize import traditional, alternative, verbose, iec, si
+from .filesize import size
+from .filesize import traditional, alternative, verbose, iec, si