1 files changed, 4 insertions, 1 deletions
diff --git a/FunctionBar.h b/FunctionBar.h
index 8fa74404..c650c1a4 100644
--- a/FunctionBar.h
+++ b/FunctionBar.h
@@ -12,7 +12,10 @@ in the source distribution for its full text.
 typedef struct FunctionBar_ {
    int size;
    char** functions;
-   char** keys;
+   union {
+      char** keys;
+      const char* const* constKeys;
+   } keys;
    int* events;
    bool staticData;
 } FunctionBar;