diff --git a/src/services/services.ts b/src/services/services.ts
index 173aea2dfc4..8d28d5d958a 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -6167,10 +6167,10 @@ namespace ts {
 
                 const references: ReferenceEntry[] = [];
 
-                forEach(sourceFiles, sourceFile => {
-                    const possiblePositions = getPossibleSymbolReferencePositions(sourceFile, type.text , sourceFile.getStart(), sourceFile.getEnd());
+                for (const sourceFile of sourceFiles) {
+                    const possiblePositions = getPossibleSymbolReferencePositions(sourceFile, type.text, sourceFile.getStart(), sourceFile.getEnd());
                     getReferencesForStringLiteralInFile(sourceFile, type, possiblePositions, references);
-                });
+                }
 
                 return [{
                     definition: {
@@ -6185,7 +6185,7 @@ namespace ts {
                 }];
 
                 function getReferencesForStringLiteralInFile(sourceFile: SourceFile, searchType: Type, possiblePositions: number[], references: ReferenceEntry[]): void {
-                    forEach(possiblePositions, position => {
+                    for (const position of possiblePositions) {
                         cancellationToken.throwIfCancellationRequested();
 
                         const node = getTouchingWord(sourceFile, position);
@@ -6197,7 +6197,7 @@ namespace ts {
                         if (type === searchType) {
                             references.push(getReferenceEntryFromNode(node));
                         }
-                    });
+                    }
                 }
             }
 
@@ -7767,7 +7767,7 @@ namespace ts {
                                     localizedErrorMessage: undefined,
                                     fullDisplayName: typeChecker.getFullyQualifiedName(symbol),
                                     kindModifiers: getSymbolModifiers(symbol),
-                                    triggerSpan: createTriggerSpanForNode(node)
+                                    triggerSpan: createTriggerSpanForNode(node, sourceFile)
                                 };
                             }
                         }
@@ -7787,7 +7787,7 @@ namespace ts {
                                     localizedErrorMessage: undefined,
                                     fullDisplayName: displayName,
                                     kindModifiers: ScriptElementKindModifier.none,
-                                    triggerSpan: createTriggerSpanForNode(node)
+                                    triggerSpan: createTriggerSpanForNode(node, sourceFile)
                                 };
                             }
                         }
@@ -7820,9 +7820,9 @@ namespace ts {
                 return false;
             }
 
-            function createTriggerSpanForNode(node: Node) {
-                let start = node.getStart();
-                let width = node.getWidth();
+            function createTriggerSpanForNode(node: Node, sourceFile: SourceFile) {
+                let start = node.getStart(sourceFile);
+                let width = node.getWidth(sourceFile);
                 if (node.kind === SyntaxKind.StringLiteral) {
                     // Exclude the quotes
                     start += 1;
diff --git a/tests/cases/fourslash/getOccurrencesStringLiterals.ts b/tests/cases/fourslash/getOccurrencesStringLiterals.ts
new file mode 100644
index 00000000000..efa365cbbb8
--- /dev/null
+++ b/tests/cases/fourslash/getOccurrencesStringLiterals.ts
@@ -0,0 +1,10 @@
+/// <reference path='fourslash.ts' />
+
+////var x = "[|string|]";
+////function f(a = "[|initial value|]") { }
+
+const ranges = test.ranges();
+for (let r of ranges) {
+    goTo.position(r.start);
+    verify.occurrencesAtPositionCount(0);
+}
diff --git a/tests/cases/fourslash/renameStingLiterals.ts b/tests/cases/fourslash/renameStingLiterals.ts
new file mode 100644
index 00000000000..2e31deb46e1
--- /dev/null
+++ b/tests/cases/fourslash/renameStingLiterals.ts
@@ -0,0 +1,11 @@
+/// <reference path='fourslash.ts' />
+
+////var x = "/*1*/string";
+////function f(a = "/*2*/initial value") { }
+
+
+goTo.marker("1");
+verify.renameInfoFailed();
+
+goTo.marker("2");
+verify.renameInfoFailed();