diff --git a/dumux/material/fluidsystems/brineco2.hh b/dumux/material/fluidsystems/brineco2.hh
index 84c964d45d675745f0fabcb88842388a1ce65264..b2cb44383b63cd2f84c6dd816b0c104c7d387754 100644
--- a/dumux/material/fluidsystems/brineco2.hh
+++ b/dumux/material/fluidsystems/brineco2.hh
@@ -24,6 +24,7 @@
 #ifndef DUMUX_BRINE_CO2_SYSTEM_HH
 #define DUMUX_BRINE_CO2_SYSTEM_HH
 
+#include <dumux/common/parameters.hh>
 #include <dumux/material/idealgas.hh>
 #include <dumux/material/fluidsystems/base.hh>