diff --git a/code/HalfLifeFileData.h b/code/HalfLifeFileData.h
index 930980c80..7c55657d4 100644
--- a/code/HalfLifeFileData.h
+++ b/code/HalfLifeFileData.h
@@ -51,7 +51,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef AI_MDLFILEHELPER2_H_INC
 #define AI_MDLFILEHELPER2_H_INC
 
-#include "./../include/assimp/Compiler/pushpack1.h"
+#include <assimp/Compiler/pushpack1.h>
 
 namespace Assimp    {
 namespace MDL   {
@@ -141,7 +141,7 @@ struct Header_HL2 {
     int32_t         transitionindex;
 } /* PACK_STRUCT */;
 
-#include "./../include/assimp/Compiler/poppack1.h"
+#include <assimp/Compiler/poppack1.h>
 
 }
 } // end namespaces