diff --git a/build/lib/compilation.js b/build/lib/compilation.js
index 443073cb039..2b2b5227f17 100644
--- a/build/lib/compilation.js
+++ b/build/lib/compilation.js
@@ -219,7 +219,7 @@ function generateApiProposalNames() {
             '// THIS IS A GENERATED FILE. DO NOT EDIT DIRECTLY.',
             '',
             'export const allApiProposals = Object.freeze({',
-            `${names.map(name => `\t${name}: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.${name}.d.ts'`).join(`,${os.EOL}`)}`,
+            `${names.map(name => `\t${name}: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.${name}.d.ts'`).join(`,${eol}`)}`,
             '});',
             'export type ApiProposalName = keyof typeof allApiProposals;',
             '',
diff --git a/build/lib/compilation.ts b/build/lib/compilation.ts
index de1947f2ae1..f332d0e2e6e 100644
--- a/build/lib/compilation.ts
+++ b/build/lib/compilation.ts
@@ -260,7 +260,7 @@ function generateApiProposalNames() {
 				'// THIS IS A GENERATED FILE. DO NOT EDIT DIRECTLY.',
 				'',
 				'export const allApiProposals = Object.freeze({',
-				`${names.map(name => `\t${name}: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.${name}.d.ts'`).join(`,${os.EOL}`)}`,
+				`${names.map(name => `\t${name}: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.${name}.d.ts'`).join(`,${eol}`)}`,
 				'});',
 				'export type ApiProposalName = keyof typeof allApiProposals;',
 				'',