diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 6fd2ac580..dfe413a71 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -85,7 +85,7 @@ static MapgenDesc g_reg_mapgens[] = {
 	{"flat",       true},
 	{"fractal",    true},
 	{"valleys",    true},
-	{"singlenode", false},
+	{"singlenode", true},
 };
 
 STATIC_ASSERT(