diff --git a/src/ifcexpressparser/templates.py b/src/ifcexpressparser/templates.py
index b08eaf061f..a0b637c618 100644
--- a/src/ifcexpressparser/templates.py
+++ b/src/ifcexpressparser/templates.py
@@ -47,8 +47,8 @@ const char* const Identifier = "%(schema_name_upper)s";
 %(declarations)s
 
 %(class_definitions)s
-void InitStringMap();
-IfcUtil::IfcBaseClass* SchemaEntity(IfcEntityInstanceData* e = 0);
+IFC_PARSE_API void InitStringMap();
+IFC_PARSE_API IfcUtil::IfcBaseClass* SchemaEntity(IfcEntityInstanceData* e = 0);
 }
 
 #endif