diff --git a/include/utils/TextOutput.h b/include/utils/TextOutput.h
index d8d86ba..de2fbbe 100644
--- a/include/utils/TextOutput.h
+++ b/include/utils/TextOutput.h
@@ -28,8 +28,8 @@
 class TextOutput
 {
 public:
-                        TextOutput() { }
-    virtual             ~TextOutput() { }
+                        TextOutput();
+    virtual             ~TextOutput();
     
     virtual status_t    print(const char* txt, size_t len) = 0;
     virtual void        moveIndent(int delta) = 0;