diff --git a/src/slate/classes.py b/src/slate/classes.py
index 580b096..2d24d97 100644
--- a/src/slate/classes.py
+++ b/src/slate/classes.py
@@ -22,7 +22,7 @@
     from pdfminer.pdfparser import PDFPage
 except ImportError:
     from pdfminer.pdfpage import PDFPage
-import utils
+import slate.utils
 
 __all__ = ['PDF']