diff --git a/src/fr/devinsy/statoolinfos/StatoolInfosLauncher.java b/src/fr/devinsy/statoolinfos/StatoolInfosLauncher.java
index 90f7ef3..70a7c50 100644
--- a/src/fr/devinsy/statoolinfos/StatoolInfosLauncher.java
+++ b/src/fr/devinsy/statoolinfos/StatoolInfosLauncher.java
@@ -72,8 +72,8 @@ public final class StatoolInfosLauncher
             else
             {
                 //
-                Level logEnvLevel = Level.getLevel(StringUtils.defaultString(System.getenv().get("LOG4J_LEVEL"), ""));
-                Level logPropertyLevel = Level.getLevel(StringUtils.defaultString(System.getProperty("log4j2.level", "")));
+                Level logEnvLevel = Level.getLevel(StringUtils.defaultString(System.getenv().get("LOG4J_LEVEL"), " "));
+                Level logPropertyLevel = Level.getLevel(StringUtils.defaultString(System.getProperty("log4j2.level", " ")));
 
                 Level level;
                 if (logPropertyLevel != null)