diff --git a/src/formatter.lua b/src/formatter.lua
index 4167333..eae5d06 100644
--- a/src/formatter.lua
+++ b/src/formatter.lua
@@ -43,6 +43,7 @@ local BLOCKS = {
   ["FUNCTION"] = "END_FUNCTION",
   ["FUNCTION_BLOCK"] = "END_FUNCTION_BLOCK",
   ["ORGANIZATION_BLOCK"] = "END_ORGANIZATION_BLOCK",
+  ["DATA_BLOCK"] = "END_DATA_BLOCK",
   ["TYPE"] = "END_TYPE",
   ["STRUCT"] = "END_STRUCT",
   ["VAR"] = "END_VAR",
@@ -91,6 +92,7 @@ local DECLARATIONS = {
   ["FUNCTION"] = true,
   ["FUNCTION_BLOCK"] = true,
   ["ORGANIZATION_BLOCK"] = true,
+  ["DATA_BLOCK"] = true,
   ["TYPE"] = true,
   ["STRUCT"] = true,
 }