--- xtp/include/votca/xtp/qmstate.h.orig	2026-03-09 18:52:35 UTC
+++ xtp/include/votca/xtp/qmstate.h
@@ -24,6 +24,7 @@
 // Standard includes
 #include <cassert>
 #include <string>
+#include <cassert>
 
 // VOTCA includes
 #include <votca/tools/types.h>