diff --git a/CMakeLists.txt b/CMakeLists.txt
index f5391f7..9f17e89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,7 +76,7 @@ IF ( ASSIMP_ENABLE_BOOST_WORKAROUND )
 	MESSAGE( STATUS "Building a non-boost version of Assimp." )
 ELSE ( ASSIMP_ENABLE_BOOST_WORKAROUND )
 	SET( Boost_DETAILED_FAILURE_MSG ON )
-	SET( Boost_ADDITIONAL_VERSIONS "1.47" "1.47.0" "1.48.0" "1.48" "1.49" "1.49.0" "1.50" "1.50.0" "1.51" "1.51.0")	
+	SET( Boost_ADDITIONAL_VERSIONS "1.47" "1.47.0" "1.48.0" "1.48" "1.49" "1.49.0" "1.50" "1.50.0" "1.51" "1.51.0" "1.52" "1.52.0" "1.53" "1.53.0" "1.54" "1.54.0")	
 	FIND_PACKAGE( Boost )
 	IF ( NOT Boost_FOUND )
 		MESSAGE( FATAL_ERROR
diff --git a/code/IFCOpenings.cpp b/code/IFCOpenings.cpp
index d02feee..2ba42d1 100644
--- a/code/IFCOpenings.cpp
+++ b/code/IFCOpenings.cpp
@@ -1188,14 +1188,14 @@ bool GenerateOpenings(std::vector<TempOpening>& openings,
 			norm_extrusion_dir = IfcVector3();
 		}
 
-		TempMesh* profile_data =  opening.profileMesh;
+		TempMesh* profile_data =  opening.profileMesh.get();
 		bool is_2d_source = false;
 		if (opening.profileMesh2D && norm_extrusion_dir.SquareLength() > 0) {
 			
 			if(fabs(norm_extrusion_dir * wall_extrusion_axis_norm) < 0.1) {
 				// horizontal extrusion
 				if (fabs(norm_extrusion_dir * nor) > 0.9) {
-					profile_data = opening.profileMesh2D;
+					profile_data = opening.profileMesh2D.get();
 					is_2d_source = true;
 				}
 				else {