diff --git a/src/vs/platform/extensionManagement/common/extensionManagement.ts b/src/vs/platform/extensionManagement/common/extensionManagement.ts
index c9432c119c4..5b662f01ec0 100644
--- a/src/vs/platform/extensionManagement/common/extensionManagement.ts
+++ b/src/vs/platform/extensionManagement/common/extensionManagement.ts
@@ -71,6 +71,8 @@ export function toTargetPlatform(targetPlatform: string): TargetPlatform {
 		case TargetPlatform.LINUX_ARM64: return TargetPlatform.LINUX_ARM64;
 		case TargetPlatform.LINUX_ARMHF: return TargetPlatform.LINUX_ARMHF;
 
+		case TargetPlatform.ALPINE: return TargetPlatform.ALPINE;
+
 		case TargetPlatform.DARWIN_X64: return TargetPlatform.DARWIN_X64;
 		case TargetPlatform.DARWIN_ARM64: return TargetPlatform.DARWIN_ARM64;
 
diff --git a/src/vs/platform/extensionManagement/node/extensionManagementService.ts b/src/vs/platform/extensionManagement/node/extensionManagementService.ts
index 436564a51ed..67b664bbbdb 100644
--- a/src/vs/platform/extensionManagement/node/extensionManagementService.ts
+++ b/src/vs/platform/extensionManagement/node/extensionManagementService.ts
@@ -86,6 +86,7 @@ export class ExtensionManagementService extends AbstractExtensionManagementServi
 				if (targetPlatform === TargetPlatform.LINUX_X64 && await this.isAlpineLinux()) {
 					targetPlatform = TargetPlatform.ALPINE;
 				}
+				this.logService.debug('ExtensionManagementService#TargetPlatform:', targetPlatform);
 				return targetPlatform;
 			})();
 		}