diff --git a/gap-matricesforhomalg.spec b/gap-matricesforhomalg.spec
index afad05c..4fc8113 100644
--- a/gap-matricesforhomalg.spec
+++ b/gap-matricesforhomalg.spec
@@ -39,7 +39,7 @@ The MatricesForHomalg package provides lazy evaluated matrices with
 clever operations for the homalg project.
 
 %prep
-%setup -qn MatricesForHomalg
+%setup -qn MatricesForHomalg-%version
 
 %build