Index: code/renderer/tr_model_iqm.c
===================================================================
--- code/renderer/tr_model_iqm.c	(revision 2013)
+++ code/renderer/tr_model_iqm.c	(working copy)
@@ -879,7 +879,7 @@
 		mat1 = data->poseMats + 12 * data->num_joints * frame;
 		mat2 = data->poseMats + 12 * data->num_joints * oldframe;
 		
-		for( i = 0; i < 12 * data->num_joints; i++, joint++ ) {
+		for( i = 0; i < data->num_joints; i++, joint++ ) {
 			if( *joint >= 0 ) {
 				float tmpMat[12];
 				InterpolateMatrix( mat1 + 12*i, mat2 + 12*i,