diff --git a/code/renderergl1/tr_model_iqm.c b/code/renderergl1/tr_model_iqm.c
index 8c05f294..0f99f160 100644
--- a/code/renderergl1/tr_model_iqm.c
+++ b/code/renderergl1/tr_model_iqm.c
@@ -206,6 +206,8 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
 		return qfalse;
 	}
 
+	blendIndexesType = blendWeightsType = IQM_UBYTE;
+
 	// check and swap vertex arrays
 	if( IQM_CheckRange( header, header->ofs_vertexarrays,
 			    header->num_vertexarrays,