diff --git a/code/AssetLib/STEPParser/STEPFileReader.cpp b/code/AssetLib/STEPParser/STEPFileReader.cpp
index cbf8c07c2..1ed5ab7d2 100644
--- a/code/AssetLib/STEPParser/STEPFileReader.cpp
+++ b/code/AssetLib/STEPParser/STEPFileReader.cpp
@@ -297,8 +297,8 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
     }
 
     if ( !DefaultLogger::isNullLogger()){
-        ASSIMP_LOG_DEBUG((Formatter::format(),"STEP: got ",map.size()," object records with ",
-            db.GetRefs().size()," inverse index entries"));
+        ASSIMP_LOG_DEBUG_F("STEP: got ",map.size()," object records with ",
+            db.GetRefs().size()," inverse index entries");
     }
 }
 
diff --git a/code/Common/DefaultLogger.cpp b/code/Common/DefaultLogger.cpp
index e468d72ca..03a0a80de 100644
--- a/code/Common/DefaultLogger.cpp
+++ b/code/Common/DefaultLogger.cpp
@@ -163,15 +163,14 @@ Logger *DefaultLogger::create(const char *name /*= "AssimpLog.txt"*/,
 }
 
 // ----------------------------------------------------------------------------------
-void Logger::debug(const char *message) {
-
-    // SECURITY FIX: otherwise it's easy to produce overruns since
-    // sometimes importers will include data from the input file
-    // (i.e. node names) in their messages.
-    if (strlen(message) > MAX_LOG_MESSAGE_LENGTH) {
+void Logger::debugInternal(Assimp::Formatter::format f) {
+    std::string message = f;
+    // TODO: Should limit sizes in the formatter.
+    // SECURITY FIX: see above
+    if (message.length() > MAX_LOG_MESSAGE_LENGTH) {
         return;
     }
-    return OnDebug(message);
+    return OnDebug(message.c_str());
 }
 
 // ----------------------------------------------------------------------------------
diff --git a/code/PostProcessing/SplitByBoneCountProcess.cpp b/code/PostProcessing/SplitByBoneCountProcess.cpp
index 1f4170a6a..f7dffb8f2 100644
--- a/code/PostProcessing/SplitByBoneCountProcess.cpp
+++ b/code/PostProcessing/SplitByBoneCountProcess.cpp
@@ -103,7 +103,7 @@ void SplitByBoneCountProcess::Execute( aiScene* pScene)
 
     if( !isNecessary )
     {
-        ASSIMP_LOG_DEBUG( format() << "SplitByBoneCountProcess early-out: no meshes with more than " << mMaxBoneCount << " bones." );
+        ASSIMP_LOG_DEBUG_F("SplitByBoneCountProcess early-out: no meshes with more than ", mMaxBoneCount, " bones." );
         return;
     }
 
@@ -151,7 +151,7 @@ void SplitByBoneCountProcess::Execute( aiScene* pScene)
     // recurse through all nodes and translate the node's mesh indices to fit the new mesh array
     UpdateNode( pScene->mRootNode);
 
-    ASSIMP_LOG_DEBUG( format() << "SplitByBoneCountProcess end: split " << mSubMeshIndices.size() << " meshes into " << meshes.size() << " submeshes." );
+    ASSIMP_LOG_DEBUG_F( "SplitByBoneCountProcess end: split ", mSubMeshIndices.size(), " meshes into ", meshes.size(), " submeshes." );
 }
 
 // ------------------------------------------------------------------------------------------------
diff --git a/include/assimp/Logger.hpp b/include/assimp/Logger.hpp
index 07a26c053..475b19aa6 100644
--- a/include/assimp/Logger.hpp
+++ b/include/assimp/Logger.hpp
@@ -99,10 +99,12 @@ public:
     virtual ~Logger();
 
     // ----------------------------------------------------------------------
-    /** @brief  Writes a debug message
-     *   @param message Debug message*/
-    void debug(const char* message);
-    void debug(const std::string &message);
+    /** @brief  Writes a info message
+     *  @param  message Info message*/
+    template<typename... T>
+    void debug(T&&... args) {
+        debugInternal(Assimp::Formatter::format(), std::forward<T>(args)...);
+    }
 
     // ----------------------------------------------------------------------
 	/** @brief  Writes a debug message
@@ -232,22 +234,27 @@ protected:
     virtual void OnError(const char* message) = 0;
 
 protected:
+
+    void debugInternal(Assimp::Formatter::format f);
     void warnInternal(Assimp::Formatter::format f);
+    void infoInternal(Assimp::Formatter::format f);
+    void errorInternal(Assimp::Formatter::format f);
+
+    template<typename... T, typename U>
+    void debugInternal(Assimp::Formatter::format f, U&& u, T&&... args) {
+        warnInternal(std::move(f << std::forward<U>(u)), std::forward<T>(args)...);
+    }
 
     template<typename... T, typename U>
     void warnInternal(Assimp::Formatter::format f, U&& u, T&&... args) {
         warnInternal(std::move(f << std::forward<U>(u)), std::forward<T>(args)...);
     }
 
-    void infoInternal(Assimp::Formatter::format f);
-
     template<typename... T, typename U>
     void infoInternal(Assimp::Formatter::format f, U&& u, T&&... args) {
         infoInternal(std::move(f << std::forward<U>(u)), std::forward<T>(args)...);
     }
 
-    void errorInternal(Assimp::Formatter::format f);
-
     template<typename... T, typename U>
     void errorInternal(Assimp::Formatter::format f, U&& u, T&&... args) {
         errorInternal(std::move(f << std::forward<U>(u)), std::forward<T>(args)...);
@@ -294,12 +301,6 @@ Logger::LogSeverity Logger::getLogSeverity() const {
     return m_Severity;
 }
 
-// ----------------------------------------------------------------------------------
-inline
-void Logger::debug(const std::string &message) {
-    return debug(message.c_str());
-}
-
 // ----------------------------------------------------------------------------------
 inline void Logger::verboseDebug(const std::string &message) {
 	return verboseDebug(message.c_str());
@@ -315,7 +316,7 @@ inline void Logger::verboseDebug(const std::string &message) {
 	Assimp::DefaultLogger::get()->error((string, __VA_ARGS__))
 
 #define ASSIMP_LOG_DEBUG_F(string, ...) \
-	Assimp::DefaultLogger::get()->debug((Assimp::Formatter::format(string), __VA_ARGS__))
+	Assimp::DefaultLogger::get()->debug((string, __VA_ARGS__))
 
 #define ASSIMP_LOG_VERBOSE_DEBUG_F(string, ...) \
 	Assimp::DefaultLogger::get()->verboseDebug((Assimp::Formatter::format(string), __VA_ARGS__))
diff --git a/include/assimp/Profiler.h b/include/assimp/Profiler.h
index 5f9fa52aa..566ea84e1 100644
--- a/include/assimp/Profiler.h
+++ b/include/assimp/Profiler.h
@@ -76,7 +76,7 @@ public:
     /** Start a named timer */
     void BeginRegion(const std::string& region) {
         regions[region] = std::chrono::system_clock::now();
-        ASSIMP_LOG_DEBUG((format("START `"),region,"`"));
+        ASSIMP_LOG_DEBUG_F("START `",region,"`");
     }
 
 
@@ -88,7 +88,7 @@ public:
         }
 
         std::chrono::duration<double> elapsedSeconds = std::chrono::system_clock::now() - regions[region];
-        ASSIMP_LOG_DEBUG((format("END   `"),region,"`, dt= ", elapsedSeconds.count()," s"));
+        ASSIMP_LOG_DEBUG_F("END   `",region,"`, dt= ", elapsedSeconds.count()," s");
     }
 
 private: