diff --git a/jalopy/plugin.properties b/jalopy/plugin.properties
index 66679362..86cef30a 100644
--- a/jalopy/plugin.properties
+++ b/jalopy/plugin.properties
@@ -6,6 +6,6 @@ maven.jalopy.fileFormat=unix
 maven.jalopy.style=${plugin.dir}/jalopy_maven.xml
 maven.jalopy.history=none
 maven.jalopy.logLevel=info
-maven.jalopy.nbThread=2
+maven.jalopy.nbThread=1
 maven.jalopy.failOnError=true
 maven.jalopy.filesetInclude=**/*.java