diff --git a/source/src/vertmodel.h b/source/src/vertmodel.h
index c399986f..7cd3580e 100644
--- a/source/src/vertmodel.h
+++ b/source/src/vertmodel.h
@@ -53,6 +53,7 @@ struct vertmodel : model
         ushort *dynidx;
         int dynlen;
         anpos dyncur, dynprev;
+        float dynt;
         GLuint statlist;
         int statlen;
 
@@ -91,8 +92,9 @@ struct vertmodel : model
                 *pvert1 = NULL, *pvert2 = NULL;
             if(prev)
             {
-                if(dynprev==*prev && dyncur==cur) return;
+                if(dynprev==*prev && dyncur==cur && dynt==ai_t) return;
                 dynprev = *prev;
+                dynt = ai_t;
                 pvert1 = &verts[prev->fr1 * numverts];
                 pvert2 = &verts[prev->fr2 * numverts];
             }