diff --git a/ncat/config.h.in b/ncat/config.h.in
index 6af09e4ce..98ec6bebb 100644
--- a/ncat/config.h.in
+++ b/ncat/config.h.in
@@ -191,7 +191,7 @@
 
 /* Defines for locating Lua */
 #undef LUA_INCLUDED
-#undef HAVE_LUA5_3_LUA_H
-#undef HAVE_LUA_5_3_LUA_H
+#undef HAVE_LUA5_4_LUA_H
+#undef HAVE_LUA_5_4_LUA_H
 #undef HAVE_LUA_H
 #undef HAVE_LUA_LUA_H
diff --git a/nmap_config.h.in b/nmap_config.h.in
index 497b6eeea..79ec4e762 100644
--- a/nmap_config.h.in
+++ b/nmap_config.h.in
@@ -172,8 +172,8 @@ extern "C" int gethostname (char *, unsigned int);
 #undef HAVE_PCAP_SET_IMMEDIATE_MODE
 
 /* Various possibilities for lua.h */
-#undef HAVE_LUA5_3_LUA_H
-#undef HAVE_LUA_5_3_LUA_H
+#undef HAVE_LUA5_4_LUA_H
+#undef HAVE_LUA_5_4_LUA_H
 #undef HAVE_LUA_H
 #undef HAVE_LUA_LUA_H