diff --git a/code/OpenGEXExporter.cpp b/code/OpenGEXExporter.cpp
index 67c898028..b3b7cec97 100644
--- a/code/OpenGEXExporter.cpp
+++ b/code/OpenGEXExporter.cpp
@@ -42,12 +42,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace Assimp {
 namespace OpenGEX {
 
+#ifndef ASSIMP_BUILD_NO_OPENGEX_EXPORTER
+
 OpenGEXExporter::OpenGEXExporter() {
 }
 
 OpenGEXExporter::~OpenGEXExporter() {
 }
 
+#endif // ASSIMP_BUILD_NO_OPENGEX_EXPORTER
 
-} // Namespace openGEX
+} // Namespace OpenGEX
 } // Namespace Assimp
diff --git a/code/OpenGEXExporter.h b/code/OpenGEXExporter.h
index f2f5eb54b..787f4b335 100644
--- a/code/OpenGEXExporter.h
+++ b/code/OpenGEXExporter.h
@@ -42,7 +42,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "../include/assimp/types.h"
 
-#ifndef ASSIMP_BUILD_NO_OPENGEX_IMPORTER
+#ifndef ASSIMP_BUILD_NO_OPENGEX_EXPORTER
 
 namespace Assimp {
 
@@ -50,16 +50,17 @@ struct aiScene;
 
 namespace OpenGEX {
 
-    class OpenGEXExporter {
-    public:
-        OpenGEXExporter();
-        ~OpenGEXExporter();
-        bool exportScene( const char *filename, const aiScene* pScene );
-    };
-} // Namespace openGEX
+class OpenGEXExporter {
+public:
+    OpenGEXExporter();
+    ~OpenGEXExporter();
+    bool exportScene( const char *filename, const aiScene* pScene );
+};
+
+} // Namespace OpenGEX
 } // Namespace Assimp
 
-#endif // ASSIMP_BUILD_NO_OPENGEX_IMPORTER
+#endif // ASSIMP_BUILD_NO_OPENGEX_EXPORTER
 
 #endif // AI_OPENGEX_EXPORTER_H