diff --git a/python-numpy-stl.spec b/python-numpy-stl.spec
index 8da1942..1dfe156 100644
--- a/python-numpy-stl.spec
+++ b/python-numpy-stl.spec
@@ -7,7 +7,7 @@ Summary:        Library for reading, writing and modifying STL files
 
 License:        BSD
 URL:            https://github.com/WoLpH/numpy-stl/
-Source0:        %{pypi_source}
+Source:         %{pypi_source}
 BuildRequires:  gcc
 
 BuildRequires:  python3-devel