diff --git a/code/AMF/AMFImporter_Postprocess.cpp b/code/AMF/AMFImporter_Postprocess.cpp
index 2bfe3f78c..1f20e1843 100644
--- a/code/AMF/AMFImporter_Postprocess.cpp
+++ b/code/AMF/AMFImporter_Postprocess.cpp
@@ -66,7 +66,7 @@ aiColor4D AMFImporter::SPP_Material::GetColor(const float /*pX*/, const float /*
     aiColor4D tcol;
 
 	// Check if stored data are supported.
-	if(Composition.size() != 0)
+	if(!Composition.empty())
 	{
 		throw DeadlyImportError("IME. GetColor for composition");
 	}