diff --git a/src/module_definitions.f90 b/src/module_definitions.f90
index 011785fec41f8c262149788977d4a9a81bf23372..0f64792bc768cc4ceefe0257545ed6c5b1064816 100644
--- a/src/module_definitions.f90
+++ b/src/module_definitions.f90
@@ -55,7 +55,7 @@ module definitions
       double precision,dimension(:),pointer::x,y,z,temp
       double precision,dimension(:),pointer::unode,vnode,wnode
       double precision,dimension(:),pointer::wpreiso
-      double precision,dimension(:),pointer::pressure
+      double precision,dimension(:),pointer::pressure,spressure
       double precision,dimension(:),pointer::temporary_nodal_pressure
       integer,dimension(:,:),pointer::icon
       logical, dimension(:),pointer :: whole_leaf_in_fluid