diff --git a/src/source/core/corelib/config/version.cpp b/src/source/core/corelib/config/version.cpp
index aa2606a..8c944e1 100644
--- a/src/source/core/corelib/config/version.cpp
+++ b/src/source/core/corelib/config/version.cpp
@@ -274,22 +274,22 @@ void version_set_project(s_project_version const * version)
             " untracked");
     }
 
-    if ( g_project_version.unknownC && *g_project_version.unknownC )
+    if ( g_project_version.build_date && *g_project_version.build_date )
     {
         csnzappendf(
             version_globals.full_string,
             NUMBEROF(version_globals.full_string),
             " %s",
-            g_project_version.unknownC);
+            g_project_version.build_date);
     }
 
-    if ( g_project_version.unknown10 && *g_project_version.unknown10 )
+    if ( g_project_version.build_time && *g_project_version.build_time )
     {
         csnzappendf(
             version_globals.full_string,
             NUMBEROF(version_globals.full_string),
             " %s",
-            g_project_version.unknown10);
+            g_project_version.build_time);
     }
 };
 
diff --git a/src/source/core/corelib/config/version.h b/src/source/core/corelib/config/version.h
index 41cf267..94f211d 100644
--- a/src/source/core/corelib/config/version.h
+++ b/src/source/core/corelib/config/version.h
@@ -13,8 +13,8 @@ struct s_project_version
   char const* build_string;
   char const* build_name;
   long build_number;
-  char const* unknownC; // $todo what is this? it's used in version_set_project
-  char const* unknown10; // $todo what is this? it's used in version_set_project
+  char const* build_date;
+  char const* build_time;
   char const* target_application;
   char const* target_variant;
   char const* target_configuration;