diff --git a/code/IFCLoader.cpp b/code/IFCLoader.cpp
index 472ae11ae..f5a903cf3 100644
--- a/code/IFCLoader.cpp
+++ b/code/IFCLoader.cpp
@@ -325,7 +325,10 @@ void SetCoordinateSpace(ConversionData& conv)
 void ResolveObjectPlacement(aiMatrix4x4& m, const IfcObjectPlacement& place, ConversionData& conv)
 {
 	if (const IfcLocalPlacement* const local = place.ToPtr<IfcLocalPlacement>()){
-		ConvertAxisPlacement(m, *local->RelativePlacement, conv);
+		IfcMatrix4 tmp;
+		ConvertAxisPlacement(tmp, *local->RelativePlacement, conv);
+
+		m = static_cast<aiMatrix4x4>(tmp);
 
 		if (local->PlacementRelTo) {
 			aiMatrix4x4 tmp;
diff --git a/code/IFCUtil.cpp b/code/IFCUtil.cpp
index e2ba99fe9..1da081d56 100644
--- a/code/IFCUtil.cpp
+++ b/code/IFCUtil.cpp
@@ -269,7 +269,7 @@ void ConvertColor(aiColor4D& out, const IfcColourRgb& in)
 void ConvertColor(aiColor4D& out, const IfcColourOrFactor& in,ConversionData& conv,const aiColor4D* base)
 {
 	if (const EXPRESS::REAL* const r = in.ToPtr<EXPRESS::REAL>()) {
-		out.r = out.g = out.b = *r;
+		out.r = out.g = out.b = static_cast<float>(*r);
 		if(base) {
 			out.r *= static_cast<float>( base->r );
 			out.g *= static_cast<float>( base->g );
diff --git a/code/IFCUtil.h b/code/IFCUtil.h
index 14114f139..035d5768b 100644
--- a/code/IFCUtil.h
+++ b/code/IFCUtil.h
@@ -51,7 +51,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace Assimp {
 namespace IFC {
 
-	typedef float IfcFloat;
+	typedef double IfcFloat;
 
 	// IfcFloat-precision math data types
 	typedef aiVector2t<IfcFloat> IfcVector2;