diff --git a/src/AMRWind.cpp b/src/AMRWind.cpp
index 4a406b6..6910fc2 100644
--- a/src/AMRWind.cpp
+++ b/src/AMRWind.cpp
@@ -86,7 +86,7 @@ void AMRWind::pre_advance_stage2(size_t inonlin)
 
 void AMRWind::advance_timestep(size_t inonlin)
 {
-    if (inonlin < 1) m_incflo.do_advance();
+    m_incflo.do_advance(inonlin);
 }
 
 void AMRWind::post_advance() { m_incflo.post_advance_work(); }