diff --git a/components/modules/Kconfig b/components/modules/Kconfig
index dc1ca7a9..fc69f4da 100644
--- a/components/modules/Kconfig
+++ b/components/modules/Kconfig
@@ -97,7 +97,7 @@ config LUA_MODULE_NODE
   help
       Includes the node module (recommended).
 
-config LUA_MODULE_SIGMADELTA
+config LUA_MODULE_SIGMA_DELTA
   bool "Sigma-Delta module"
   default "n"
   help
diff --git a/components/modules/sigma_delta.c b/components/modules/sigma_delta.c
index ebed3a60..15a9a190 100644
--- a/components/modules/sigma_delta.c
+++ b/components/modules/sigma_delta.c
@@ -87,4 +87,4 @@ static const LUA_REG_TYPE sigma_delta_map[] =
   { LNILKEY, LNILVAL }
 };
 
-NODEMCU_MODULE(SIGMADELTA, "sigma_delta", sigma_delta_map, NULL);
+NODEMCU_MODULE(SIGMA_DELTA, "sigma_delta", sigma_delta_map, NULL);