diff --git a/application/argumentparser.h b/application/argumentparser.h
index bfe3ede..3f45636 100644
--- a/application/argumentparser.h
+++ b/application/argumentparser.h
@@ -258,7 +258,7 @@ private:
     IF_DEBUG_BUILD(void verifyArgs(const ArgumentVector &args, std::vector<char> abbreviations, std::vector<const char *> names);)
     void printBashCompletion(int argc, const char *const *argv, unsigned int cursorPos, const ArgumentReader &reader);
     void checkConstraints(const ArgumentVector &args);
-    void invokeCallbacks(const ArgumentVector &args);
+    static void invokeCallbacks(const ArgumentVector &args);
 
     ArgumentVector m_mainArgs;
     unsigned int m_actualArgc;