diff --git a/src/engine/engine_vis_visualize.c b/src/engine/engine_vis_visualize.c
index 2764bee7..d0da232a 100644
--- a/src/engine/engine_vis_visualize.c
+++ b/src/engine/engine_vis_visualize.c
@@ -1837,7 +1837,7 @@ void mjv_addGeoms(const mjModel* m, mjData* d, const mjvOption* vopt,
           for (int j=0; j < npoints-1; j++) {
             START
 
-              sz[0] = m->tendon_width[i];
+            sz[0] = m->tendon_width[i];
 
             // construct geom
             mjv_connector(thisgeom, mjGEOM_CAPSULE, sz[0], catenary+3*j, catenary+3*j+3);