diff --git a/java/src/main/java/com/powsybl/python/logging/LoggingCFunctions.java b/java/src/main/java/com/powsybl/python/logging/LoggingCFunctions.java
index 99e11894ac..bdcc9482cc 100644
--- a/java/src/main/java/com/powsybl/python/logging/LoggingCFunctions.java
+++ b/java/src/main/java/com/powsybl/python/logging/LoggingCFunctions.java
@@ -32,7 +32,7 @@ public final class LoggingCFunctions {
     private LoggingCFunctions() {
     }
 
-    interface LoggerCallback extends CFunctionPointer {
+    public interface LoggerCallback extends CFunctionPointer {
         @InvokeCFunctionPointer
         void invoke(int level, long timestamp, CCharPointer loggerName, CCharPointer message);
     }
@@ -47,8 +47,8 @@ public static void setupLoggerCallback(IsolateThread thread, LoggerCallback fpoi
     @CEntryPoint(name = "setLogLevel")
     public static void setLogLevel(IsolateThread thread, int logLevel, PyPowsyblApiHeader.ExceptionHandlerPointer exceptionHandlerPtr) {
         doCatch(exceptionHandlerPtr, () -> {
-            Logger rootLogger = (Logger) LoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
-            rootLogger.setLevel(PyLoggingUtil.pythonLevelToLogbackLevel(logLevel));
+            Logger powsyblLogger = (Logger) LoggerFactory.getLogger("com.powsybl");
+            powsyblLogger.setLevel(PyLoggingUtil.pythonLevelToLogbackLevel(logLevel));
         });
     }
 }
diff --git a/java/src/main/resources/logback.xml b/java/src/main/resources/logback.xml
index 9ec939d7ce..b24578aafe 100755
--- a/java/src/main/resources/logback.xml
+++ b/java/src/main/resources/logback.xml
@@ -11,4 +11,7 @@
     <logger name="org.nocrala.tools.texttablefmt" level="ERROR" additivity="false">
         <appender-ref ref="custom" />
     </logger>
+    <logger name="com.powsybl.triplestore" level="INFO" additivity="false">
+        <appender-ref ref="custom" />
+    </logger>
 </configuration>