diff --git a/opm/common/OpmLog/MessageFormatter.hpp b/opm/common/OpmLog/MessageFormatter.hpp
index 9db4277ff..9d69ec75a 100644
--- a/opm/common/OpmLog/MessageFormatter.hpp
+++ b/opm/common/OpmLog/MessageFormatter.hpp
@@ -49,20 +49,21 @@ namespace Opm
     public:
         /// Constructor controlling formatting to be applied.
         SimpleMessageFormatter(const bool use_prefix, const bool use_color_coding)
-            : use_prefix_(use_prefix),
-              use_color_coding_(use_color_coding)
+            : use_color_coding_(use_color_coding)
         {
-            if (use_prefix_) {
+            if (use_prefix) {
                 prefix_flag_ = Log::DefaultMessageTypes;
             }
         }
 
+
         SimpleMessageFormatter(const int64_t prefix_flag, const bool use_color_coding)
-            : prefix_flag_(prefix_flag),
-              use_color_coding_(use_color_coding)
+            : use_color_coding_(use_color_coding),
+              prefix_flag_(prefix_flag)
         {
         }
 
+
         SimpleMessageFormatter(const bool use_color_coding)
             : use_color_coding_(use_color_coding)
         {
@@ -84,7 +85,6 @@ namespace Opm
             return msg;
         }
     private:
-        bool use_prefix_ = false;
         bool use_color_coding_ = false;
         int64_t prefix_flag_ = 0;
     };