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--- a/src/qtgui/recoll.h
+++ b/src/qtgui/recoll.h
@@ -34,8 +34,7 @@
 extern int recollNeedsExit;
 extern int startIndexingAfterConfig; // 1st startup
 extern RclHistory *g_dynconf;
-extern const char *g_helpIndex;
-extern void setHelpIndex(const char *index);
+extern void startManual(const string& helpindex);
 
 #ifdef RCL_USE_ASPELL
 class Aspell;