diff --git a/src/p_spec.c b/src/p_spec.c
index 472f99d7..1b15c4f9 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -2676,6 +2676,9 @@ void R_InterpolateTextureOffsets (void)
       scroll_t *s = sidescrollers[i];
       side_t *side = sides + s->affectee;
 
+      if (s->accel)
+        continue;
+
       side->textureoffset = side->basetextureoffset + FixedMul(s->dx, fractionaltic);
       side->rowoffset = side->baserowoffset + FixedMul(s->dy, fractionaltic);
     }