1 files changed, 2 insertions, 2 deletions

diff --git a/src/tools.h b/src/tools.h
index 6d3b3c7..8c0b8e0 100644
--- a/src/tools.h
+++ b/src/tools.h
@@ -119,7 +119,7 @@ extern MUTEX_T require_cs;
 // for verbose errors
 extern bool_t GVerboseErrors;
 
-char const* const CONFIG_REGKEY;
-char const* const LOOKUP_REGKEY;
+extern char const* const CONFIG_REGKEY;
+extern char const* const LOOKUP_REGKEY;
 
 #endif // TOOLS_H