diff --git a/src/processor_factory.h b/src/processor_factory.h
index a5ba731188daa54b33806d1c8bbdb4cc91c22efb..099cb28504cb7216a5c2fa84bd0197e75e710436 100644
--- a/src/processor_factory.h
+++ b/src/processor_factory.h
@@ -178,7 +178,7 @@ inline std::string ProcessorFactory::getClass()
 
 #define WOLF_REGISTER_PROCESSOR(ProcessorType, ProcessorName) \
   namespace{ const bool ProcessorName##Registered = \
-    ProcessorFactory::get().registerCreator(ProcessorType, ProcessorName::create); }\
+    wolf::ProcessorFactory::get().registerCreator(ProcessorType, ProcessorName::create); }\
 
 } /* namespace wolf */