diff --git a/Source/hydro/Castro_ctu.cpp b/Source/hydro/Castro_ctu.cpp
index 7e69b4696b..9948748880 100644
--- a/Source/hydro/Castro_ctu.cpp
+++ b/Source/hydro/Castro_ctu.cpp
@@ -71,12 +71,13 @@ Castro::consup_hydro(const Box& bx,
 
         U_new(i,j,k,UMX) += - dt * (qx(i+1,j,k,GDPRES) - qx(i,j,k,GDPRES)) / geomdata.CellSize()[0];
 
+#if AMREX_SPACEDIM >= 2
     } else if (n == UMY && !mom_flux_has_p(1, 1, geomdata.Coord())) {
         // Add gradp term to polar(theta) momentum equation for Spherical 2D geometry
 
         Real r = geom.ProbLoArray()[0] + (static_cast<Real>(i) + 0.5_rt) * geomdata.CellSize()[0];
         U_new(i,j,k,UMY) += - dt * (qy(i,j+1,k,GDPRES) - qy(i,j,k,GDPRES)) / (r * geomdata.CellSize()[1]);
-
+#endif
     }
   });
 }