diff --git a/src/thermophysicalModels/specie/reaction/reactions/makeReactionThermo.H b/src/thermophysicalModels/specie/reaction/reactions/makeReactionThermo.H
index 6d982155c7d48f30f671585112e5d1ecc105430a..c4e079796f6e7e32a3b53c31aa126105f17edcf9 100644
--- a/src/thermophysicalModels/specie/reaction/reactions/makeReactionThermo.H
+++ b/src/thermophysicalModels/specie/reaction/reactions/makeReactionThermo.H
@@ -30,7 +30,7 @@ Description
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef makeReactionTherno_H
+#ifndef makeReactionThermo_H
 #define makeReactionThermo_H
 
 #include "Reaction.H"