diff --git a/src/server/client.ts b/src/server/client.ts
index bf46301ff8..b3492cb8ae 100644
--- a/src/server/client.ts
+++ b/src/server/client.ts
@@ -192,8 +192,8 @@ namespace ts.server {
             };
         }
 
-        getCompletionEntryDetails(fileName: string, position: number, entryName: string): CompletionEntryDetails {
-            const args: protocol.CompletionDetailsRequestArgs = { ...this.createFileLocationRequestArgs(fileName, position), entryNames: [entryName] };
+        getCompletionEntryDetails(fileName: string, position: number, entryName: string, _options: FormatCodeOptions | FormatCodeSettings | undefined, source: string | undefined): CompletionEntryDetails {
+            const args: protocol.CompletionDetailsRequestArgs = { ...this.createFileLocationRequestArgs(fileName, position), entryNames: [{ name: entryName, source }] };
 
             const request = this.processRequest<protocol.CompletionDetailsRequest>(CommandNames.CompletionDetails, args);
             const response = this.processResponse<protocol.CompletionDetailsResponse>(request);