diff --git a/src/thermophysicalModels/liquids/liquid/liquid.H b/src/thermophysicalModels/liquids/liquid/liquid.H
index 27bbff55bf2ea53e89432595f9aca3a837f962f6..4c4769026fda617feb2904d4b8b28fba9de29cd7 100644
--- a/src/thermophysicalModels/liquids/liquid/liquid.H
+++ b/src/thermophysicalModels/liquids/liquid/liquid.H
@@ -266,7 +266,7 @@ public:
             virtual scalar mug(scalar p, scalar T) const = 0;
 
             //- Liquid thermal conductivity  [W/(m K)]
-            virtual scalar K(scalar p, scalar T) const =0;
+            virtual scalar K(scalar p, scalar T) const = 0;
 
             //- Vapour thermal conductivity  [W/(m K)]
             virtual scalar Kg(scalar p, scalar T) const = 0;