diff --git a/maven-enforcer.spec b/maven-enforcer.spec
index 6da9b6e..05a5ce1 100644
--- a/maven-enforcer.spec
+++ b/maven-enforcer.spec
@@ -70,6 +70,7 @@ This component contains the standard Enforcer Rules.
 
 %prep
 %setup -q -n enforcer-%{upstream_version}
+find -name '*.java' -exec sed -i 's/\r//' {} +
 %patch0 -p1
 
 # Port to maven-artifact-transfer 0.11.0