diff --git a/golded3/geglob.h b/golded3/geglob.h
index a435c7d..1735358 100644
--- a/golded3/geglob.h
+++ b/golded3/geglob.h
@@ -42,7 +42,8 @@
 //  ------------------------------------------------------------------
 
 extern glog LOG;
-
+#define LOG_NULL_POINTER \
+  LOG.printf("! Parameter is null pointer. This is internal error in program code! Please make report for developers.")
 extern gareafile* AFILE;
 extern CfgGed* CFG;
 extern LangGed* LNG;