1 files changed, 4 insertions, 4 deletions
diff --git a/yage/core/logger.h b/yage/core/logger.h
index 98c64b88..d1f75aec 100644
--- a/yage/core/logger.h
+++ b/yage/core/logger.h
@@ -13,13 +13,13 @@
 #include <string>
 #include <vector>
 
+#include "../util/active.h"
+#include "logmessage.h"
+#include "logsink.h"
+
 namespace yage
 {
 
-class Active;
-class LogMessage;
-class LogSink;
-
 class Logger
 {
 public: