diff --git a/accurest-core/src/main/groovy/io/codearte/accurest/util/NamesUtil.groovy b/accurest-core/src/main/groovy/io/codearte/accurest/util/NamesUtil.groovy
index 4817cc4816..a15bd1b5dc 100644
--- a/accurest-core/src/main/groovy/io/codearte/accurest/util/NamesUtil.groovy
+++ b/accurest-core/src/main/groovy/io/codearte/accurest/util/NamesUtil.groovy
@@ -40,6 +40,6 @@ class NamesUtil {
 	}
 
 	static String packageToDirectory(String packageName) {
-		return packageName.replaceAll('\\.', File.separator)
+		return packageName.replace('.' as char, File.separatorChar)
 	}
 }