diff --git a/src/services/services.ts b/src/services/services.ts
index 858a1ac1757..172fb4ab00e 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -1171,7 +1171,7 @@ module ts {
     }
 
     export interface Classifier {
-        getClassificationsForLine(text: string, lexState: EndOfLineState, classifyKeywordsInGenerics?: boolean): ClassificationResult;
+        getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent?: boolean): ClassificationResult;
     }
 
     /**
diff --git a/src/services/shims.ts b/src/services/shims.ts
index 0f9f1a12cd1..a0eb1cb1ac4 100644
--- a/src/services/shims.ts
+++ b/src/services/shims.ts
@@ -165,7 +165,7 @@ module ts {
     }
 
     export interface ClassifierShim extends Shim {
-        getClassificationsForLine(text: string, lexState: EndOfLineState, classifyKeywordsInGenerics?: boolean): string;
+        getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent?: boolean): string;
     }
 
     export interface CoreServicesShim extends Shim {