diff --git a/setup.cfg b/setup.cfg
index 390093e951d552e558701cedadafc8c26535fc9b..d2a646f0bdebeeaa4cde8ce65d6fe06d26160521 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,7 +5,7 @@ author = DTU Wind Energy
 author-email = mmpe@dtu.dk
 license = GPLv3
 home-page = https://gitlab.windenergy.dtu.dk/toolbox/WindEnergyToolbox
-description-file = README.md
+description-file = README
 # Add here all kinds of additional classifiers as defined under
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers
 classifiers = Development Status :: 4 - Beta,