diff --git a/src/wasm/include/web-ifc-geometry.h b/src/wasm/include/web-ifc-geometry.h
index 8cb838b6..2bf07b5e 100644
--- a/src/wasm/include/web-ifc-geometry.h
+++ b/src/wasm/include/web-ifc-geometry.h
@@ -14,6 +14,7 @@
 #include <sstream>
 #include <fstream>
 #include <iostream>
+#include <cmath>
 
 #include <glm/glm.hpp>
 #include <glm/gtx/transform.hpp>
@@ -25,6 +26,7 @@
 #include <tinynurbs/tinynurbs.h>
 
 #include "../parsing/ifc-schema.h"
+#include "../parsing/IfcLoader.h"
 #include "util.h"
 
 const double EXTRUSION_DISTANCE_HALFSPACE_M = 50;
diff --git a/src/wasm/parsing/IfcLoader.cpp b/src/wasm/parsing/IfcLoader.cpp
index 8a3be4eb..bbb78a71 100644
--- a/src/wasm/parsing/IfcLoader.cpp
+++ b/src/wasm/parsing/IfcLoader.cpp
@@ -3,6 +3,7 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
  
 #include <sstream>
+#include <algorithm>
 #include "IfcLoader.h"
 #include "LoaderError.h"
 #include "../utility/Logging.h"