diff --git a/sbt.bat b/sbt.bat
index 6949ebb..d86d1e0 100644
--- a/sbt.bat
+++ b/sbt.bat
@@ -1,2 +1,2 @@
 set SCRIPT_DIR=%~dp0
-java -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar "%SCRIPT_DIR%\sbt-launch-0.12.3.jar" %*
+java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar "%SCRIPT_DIR%\sbt-launch-0.12.3.jar" %*
diff --git a/sbt.sh b/sbt.sh
index dd2a62a..23c721f 100755
--- a/sbt.sh
+++ b/sbt.sh
@@ -1 +1 @@
-java -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar `dirname $0`/sbt-launch-0.12.3.jar "$@"
+java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar `dirname $0`/sbt-launch-0.12.3.jar "$@"