diff --git a/src/harness/fourslash.ts b/src/harness/fourslash.ts
index 208237b8b64..c90494ce8ed 100644
--- a/src/harness/fourslash.ts
+++ b/src/harness/fourslash.ts
@@ -670,20 +670,20 @@ module FourSlash {
 
             var completions = this.getCompletionListAtCaret();
             if ((!completions || completions.entries.length === 0) && negative) {
-                this.raiseError("Completion list is empty at Caret");
-            } else if ((completions && completions.entries.length !== 0) && !negative) {
-
-                var errorMsg = "\n" + "Completion List contains: [" + completions.entries[0].name;
+                this.raiseError("Completion list is empty at caret at position " + this.activeFile.fileName + " " + this.currentCaretPosition);
+            }
+            else if (completions && completions.entries.length !== 0 && !negative) {
+                let errorMsg = "\n" + "Completion List contains: [" + completions.entries[0].name;
                 for (var i = 1; i < completions.entries.length; i++) {
                     errorMsg += ", " + completions.entries[i].name;
                 }
                 errorMsg += "]\n";
 
-                Harness.IO.log(errorMsg);
-                this.raiseError("Completion list is not empty at Caret");
+                this.raiseError("Completion list is not empty at caret at position " + this.activeFile.fileName + " " + this.currentCaretPosition + errorMsg);
             }
         }
 
+
         public verifyCompletionListAllowsNewIdentifier(negative: boolean) {
             var completions = this.getCompletionListAtCaret();