diff --git a/src/data/datatypes.js b/src/data/datatypes.js
index 275a0c3..527ce74 100644
--- a/src/data/datatypes.js
+++ b/src/data/datatypes.js
@@ -857,9 +857,8 @@ const postgresTypesBase = {
       return field.default.length <= field.size;
     },
     hasCheck: true,
-    isSized: true,
+    isSized: false,
     hasPrecision: false,
-    defaultSize: 65535,
     hasQuotes: true,
   },
   BYTEA: {
diff --git a/src/utils/exportSQL/postgres.js b/src/utils/exportSQL/postgres.js
index bccd4a8..d6b8107 100644
--- a/src/utils/exportSQL/postgres.js
+++ b/src/utils/exportSQL/postgres.js
@@ -31,7 +31,9 @@ export function toPostgres(diagram) {
             (field) =>
               `${exportFieldComment(field.comment)}\t"${
                 field.name
-              }" ${field.type}${field.isArray ? " ARRAY" : ""}${field.notNull ? " NOT NULL" : ""}${field.unique ? " UNIQUE" : ""}${
+              }" ${field.type}${
+                field.size !== undefined && field.size !== "" ? "(" + field.size + ")" : ""
+              }${field.isArray ? " ARRAY" : ""}${field.notNull ? " NOT NULL" : ""}${field.unique ? " UNIQUE" : ""}${
                 field.increment ? " GENERATED BY DEFAULT AS IDENTITY" : ""
               }${
                 field.default.trim() !== ""