diff --git a/Source/Hydro/Hydro.H b/Source/Hydro/Hydro.H
index 16edcac..5c99631 100644
--- a/Source/Hydro/Hydro.H
+++ b/Source/Hydro/Hydro.H
@@ -2,6 +2,7 @@
 #define HYDRO_H
 
 #include "IndexDefines.H"
+#include <AMReX_BCRec.H>
 
 #ifdef AMREX_USE_EB
 #include <AMReX_EBFluxRegister.H>