diff --git a/src/compiler/declarationEmitter.ts b/src/compiler/declarationEmitter.ts
index 6e09a398ea6..3348b51dff7 100644
--- a/src/compiler/declarationEmitter.ts
+++ b/src/compiler/declarationEmitter.ts
@@ -1309,6 +1309,9 @@ namespace ts {
         }
 
         function emitSignatureDeclaration(node: SignatureDeclaration) {
+            const prevEnclosingDeclaration = enclosingDeclaration;
+            enclosingDeclaration = node;
+
             // Construct signature or constructor type write new Signature
             if (node.kind === SyntaxKind.ConstructSignature || node.kind === SyntaxKind.ConstructorType) {
                 write("new ");
@@ -1321,9 +1324,6 @@ namespace ts {
                 write("(");
             }
 
-            const prevEnclosingDeclaration = enclosingDeclaration;
-            enclosingDeclaration = node;
-
             // Parameters
             emitCommaList(node.parameters, emitParameterDeclaration);