diff --git a/MANIFEST.in b/MANIFEST.in
index 13e7718..59b7622 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,4 +3,4 @@ include CHANGES.rst
 include README.rst
 recursive-include src *.pyx *.pxd *.pxi *.py *.cpp
 recursive-include src/ext *.*
-recursive-include tests *.*
+recursive-include src/tests *.*