diff --git a/code/BlenderLoader.cpp b/code/BlenderLoader.cpp
index fc72412e9..9ca76ad0a 100644
--- a/code/BlenderLoader.cpp
+++ b/code/BlenderLoader.cpp
@@ -67,7 +67,7 @@ using namespace Assimp;
 using namespace Assimp::Blender;
 using namespace Assimp::Formatter;
 
-const std::string LogFunctions<BlenderImporter>::log_prefix = "BLEND: ";
+template<> const std::string LogFunctions<BlenderImporter>::log_prefix = "BLEND: ";
 static const aiLoaderDesc blenderDesc = {
 	"Blender 3D Importer \nhttp://www.blender3d.org",
 	"Assimp Team",
diff --git a/code/IFCLoader.cpp b/code/IFCLoader.cpp
index 8e9a357da..3b469d10c 100644
--- a/code/IFCLoader.cpp
+++ b/code/IFCLoader.cpp
@@ -59,7 +59,7 @@ using namespace Assimp;
 using namespace Assimp::Formatter;
 namespace EXPRESS = STEP::EXPRESS;
 
-const std::string LogFunctions<IFCImporter>::log_prefix = "IFC: ";
+template<> const std::string LogFunctions<IFCImporter>::log_prefix = "IFC: ";
 
 
 /* DO NOT REMOVE this comment block. The genentitylist.sh script