diff --git a/code/Q3BSPFileImporter.cpp b/code/Q3BSPFileImporter.cpp
index 28b04a59b..74a3151d0 100644
--- a/code/Q3BSPFileImporter.cpp
+++ b/code/Q3BSPFileImporter.cpp
@@ -670,10 +670,10 @@ bool Q3BSPFileImporter::importTextureFromArchive( const Q3BSP::Q3BSPModel *pMode
 			(void)readSize;
 			ai_assert( readSize == pTexture->mWidth );
 			pTexture->pcData = reinterpret_cast<aiTexel*>( pData );
-			pTexture->achFormatHint[ 0 ] = ext[ 0 ];
-			pTexture->achFormatHint[ 1 ] = ext[ 1 ];
-			pTexture->achFormatHint[ 2 ] = ext[ 2 ];
-			pTexture->achFormatHint[ 2 ] = '\0';
+			pTexture->achFormatHint[ 0 ] = ext[ 1 ];
+			pTexture->achFormatHint[ 1 ] = ext[ 2 ];
+			pTexture->achFormatHint[ 2 ] = ext[ 3 ];
+			pTexture->achFormatHint[ 3 ] = '\0';
 			res = true;
 
 			aiString name;