1 files changed, 1 insertions, 0 deletions
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 3d5c7b3cc..4433a2a58 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -47,6 +47,7 @@ FlagDesc flagdesc_mapgen[] = {
 	{"v6_biome_blend", MGV6_BIOME_BLEND},
 	{"flat",           MG_FLAT},
 	{"nolight",        MG_NOLIGHT},
+	{"v6_nomudflow",   MGV6_NOMUDFLOW},
 	{NULL,             0}
 };