diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index c37e483113..0d89016828 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -63,7 +63,7 @@ MESSAGE(STATUS "LIBDIR: ${LIBDIR}")
 set(IFCOPENSHELL_LIBARY_DIR "") # for *nix rpaths
 
 if (BUILD_SHARED_LIBS)
-    add_definitions(-DBUILD_SHARED_LIBS)
+    add_definitions(-DIFC_SHARED_BUILD)
     if (MSVC)
         message(WARNING "Building DLLs against the static VC run-time. This is not recommended if the DLLs are to be redistributed.")
         # C4521: 'identifier' : class 'type' needs to have dll-interface to be used by clients of class 'type2'
diff --git a/src/ifcgeom/ifc_geom_api.h b/src/ifcgeom/ifc_geom_api.h
index 6427aad798..af3171fcfe 100644
--- a/src/ifcgeom/ifc_geom_api.h
+++ b/src/ifcgeom/ifc_geom_api.h
@@ -20,7 +20,7 @@
 #ifndef IFC_GEOM_API_H
 #define IFC_GEOM_API_H
 
-#ifdef BUILD_SHARED_LIBS
+#ifdef IFC_SHARED_BUILD
   #ifdef _WIN32
     #ifdef IFC_GEOM_EXPORTS
       #define IFC_GEOM_API __declspec(dllexport)
diff --git a/src/ifcparse/ifc_parse_api.h b/src/ifcparse/ifc_parse_api.h
index 38cef6d4e7..b2dec0ba1d 100644
--- a/src/ifcparse/ifc_parse_api.h
+++ b/src/ifcparse/ifc_parse_api.h
@@ -20,7 +20,7 @@
 #ifndef IFC_PARSE_API_H
 #define IFC_PARSE_API_H
 
-#ifdef BUILD_SHARED_LIBS
+#ifdef IFC_SHARED_BUILD
   #ifdef _WIN32
     #ifdef IFC_PARSE_EXPORTS
       #define IFC_PARSE_API __declspec(dllexport)