diff --git a/src/languages/db2i/db2i.formatter.ts b/src/languages/db2i/db2i.formatter.ts
index d76e17cdf0..02fe16e925 100644
--- a/src/languages/db2i/db2i.formatter.ts
+++ b/src/languages/db2i/db2i.formatter.ts
@@ -169,8 +169,7 @@ export const db2i: DialectOptions = {
     ],
     identTypes: [`""-qq`],
     identChars: { first: '@#$' },
-    paramTypes: { positional: true, named: [':'] },
-    paramChars: { first: '@#$', rest: '@#$' },
+    paramTypes: { positional: true },
     operators: ['**', '¬=', '¬>', '¬<', '!>', '!<', '||'],
   },
   formatOptions: {
diff --git a/test/behavesLikeDb2Formatter.ts b/test/behavesLikeDb2Formatter.ts
index ff82ea1f06..53d4f47a4c 100644
--- a/test/behavesLikeDb2Formatter.ts
+++ b/test/behavesLikeDb2Formatter.ts
@@ -13,7 +13,6 @@ import supportsDeleteFrom from './features/deleteFrom.js';
 import supportsComments from './features/comments.js';
 import supportsCommentOn from './features/commentOn.js';
 import supportsIdentifiers from './features/identifiers.js';
-import supportsParams from './options/param.js';
 import supportsSetOperations from './features/setOperations.js';
 import supportsLimiting from './features/limiting.js';
 import supportsInsertInto from './features/insertInto.js';
@@ -54,7 +53,6 @@ export default function behavesLikeDb2Formatter(format: FormatFn) {
     'INTERSECT',
     'INTERSECT ALL',
   ]);
-  supportsParams(format, { positional: true, named: [':'] });
   supportsLimiting(format, { fetchFirst: true });
 
   it('formats only -- as a line comment', () => {
@@ -94,18 +92,6 @@ export default function behavesLikeDb2Formatter(format: FormatFn) {
     `);
   });
 
-  it('supports @, #, $ characters in named parameters', () => {
-    expect(format(`SELECT :foo@bar, :foo#bar, :foo$bar, :@zip, :#zap, :$zop`)).toBe(dedent`
-      SELECT
-        :foo@bar,
-        :foo#bar,
-        :foo$bar,
-        :@zip,
-        :#zap,
-        :$zop
-    `);
-  });
-
   it('supports WITH isolation level modifiers for UPDATE statement', () => {
     expect(format('UPDATE foo SET x = 10 WITH CS')).toBe(dedent`
       UPDATE foo
diff --git a/test/db2.test.ts b/test/db2.test.ts
index 48b36b53a9..e3b05bd237 100644
--- a/test/db2.test.ts
+++ b/test/db2.test.ts
@@ -1,9 +1,12 @@
+import dedent from 'dedent-js';
+
 import { format as originalFormat, FormatFn } from '../src/sqlFormatter.js';
 import behavesLikeDb2Formatter from './behavesLikeDb2Formatter.js';
 
 import supportsCreateTable from './features/createTable.js';
 import supportsDropTable from './features/dropTable.js';
 import supportsJoin from './features/join.js';
+import supportsParams from './options/param.js';
 
 describe('Db2Formatter', () => {
   const language = 'db2';
@@ -14,4 +17,17 @@ describe('Db2Formatter', () => {
   supportsCreateTable(format);
   supportsDropTable(format);
   supportsJoin(format, { without: ['NATURAL'], supportsUsing: false });
+  supportsParams(format, { positional: true, named: [':'] });
+
+  it('supports @, #, $ characters in named parameters', () => {
+    expect(format(`SELECT :foo@bar, :foo#bar, :foo$bar, :@zip, :#zap, :$zop`)).toBe(dedent`
+      SELECT
+        :foo@bar,
+        :foo#bar,
+        :foo$bar,
+        :@zip,
+        :#zap,
+        :$zop
+    `);
+  });
 });
diff --git a/test/db2i.test.ts b/test/db2i.test.ts
index ebc07ad7c7..e9b6f01efd 100644
--- a/test/db2i.test.ts
+++ b/test/db2i.test.ts
@@ -4,6 +4,7 @@ import behavesLikeDb2Formatter from './behavesLikeDb2Formatter.js';
 import supportsCreateTable from './features/createTable.js';
 import supportsDropTable from './features/dropTable.js';
 import supportsJoin from './features/join.js';
+import supportsParams from './options/param.js';
 
 describe('Db2iFormatter', () => {
   const language = 'db2i';
@@ -14,4 +15,5 @@ describe('Db2iFormatter', () => {
   supportsCreateTable(format, { orReplace: true });
   supportsDropTable(format, { ifExists: true });
   supportsJoin(format, { without: ['NATURAL'], supportsUsing: true });
+  supportsParams(format, { positional: true });
 });