diff --git a/misc/defaultcfg/fsfwconfig/FSFWConfig.h b/misc/defaultcfg/fsfwconfig/FSFWConfig.h
index e80abf24..290904e7 100644
--- a/misc/defaultcfg/fsfwconfig/FSFWConfig.h
+++ b/misc/defaultcfg/fsfwconfig/FSFWConfig.h
@@ -11,7 +11,7 @@
 //! Used to determine whether C++ ostreams are used which can increase
 //! the binary size significantly. If this is disabled,
 //! the C stdio functions can be used alternatively
-#define FSFW_CPP_OSTREAM_ENABLED 	    1
+#define FSFW_CPP_OSTREAM_ENABLED 	    0
 
 //! More FSFW related printouts depending on level. Useful for development.
 #define FSFW_VERBOSE_LEVEL			    1
diff --git a/src/fsfw/devicehandlers/FreshDeviceHandlerBase.cpp b/src/fsfw/devicehandlers/FreshDeviceHandlerBase.cpp
index 2b4ab27b..46ae02de 100644
--- a/src/fsfw/devicehandlers/FreshDeviceHandlerBase.cpp
+++ b/src/fsfw/devicehandlers/FreshDeviceHandlerBase.cpp
@@ -11,6 +11,7 @@ FreshDeviceHandlerBase::FreshDeviceHandlerBase(DhbConfig config)
       healthHelper(this, getObjectId()),
       paramHelper(this),
       poolManager(this, nullptr),
+	  fdirInstance(config.fdirInstance),
       defaultFdirParent(config.defaultFdirParent) {
   auto mqArgs = MqArgs(config.objectId, static_cast<void*>(this));
   messageQueue = QueueFactory::instance()->createMessageQueue(