diff --git a/src/OpenFOAM/containers/Circulators/ConstCirculator/ConstCirculatorI.H b/src/OpenFOAM/containers/Circulators/ConstCirculator/ConstCirculatorI.H
index bd51a2e4d5..5ad95466cb 100644
--- a/src/OpenFOAM/containers/Circulators/ConstCirculator/ConstCirculatorI.H
+++ b/src/OpenFOAM/containers/Circulators/ConstCirculator/ConstCirculatorI.H
@@ -23,6 +23,8 @@ License
 
 \*---------------------------------------------------------------------------*/
 
+#include "error.H"
+
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 template<class ContainerType>