diff --git a/src/services/services.ts b/src/services/services.ts
index 018f322ac41..82f19d1797c 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -2403,7 +2403,7 @@ module ts {
                         case SyntaxKind.CommaToken:
                             return containingNodeKind === SyntaxKind.VariableDeclaration ||
                                 containingNodeKind === SyntaxKind.VariableStatement ||
-                                containingNodeKind === SyntaxKind.EnumDeclaration ||           // enum { foo, |
+                                containingNodeKind === SyntaxKind.EnumDeclaration ||           // enum a { foo, |
                                 isFunction(containingNodeKind);
 
                         case SyntaxKind.OpenParenToken:
@@ -2411,8 +2411,12 @@ module ts {
                                 isFunction(containingNodeKind);
 
                         case SyntaxKind.OpenBraceToken:
-                            return containingNodeKind === SyntaxKind.EnumDeclaration;        // enum { |
-                               // containingNodeKind === SyntaxKind.InterfaceDeclaration;
+                            return containingNodeKind === SyntaxKind.EnumDeclaration ||       // enum a { |
+                               containingNodeKind === SyntaxKind.InterfaceDeclaration;        // interface a { |
+
+                        case SyntaxKind.SemicolonToken:
+                            return containingNodeKind === SyntaxKind.Property &&
+                            previousToken.parent.parent.kind === SyntaxKind.InterfaceDeclaration;    // interface a { f; |
 
                         case SyntaxKind.PublicKeyword:
                         case SyntaxKind.PrivateKeyword:
diff --git a/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers.ts b/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers.ts
new file mode 100644
index 00000000000..266b0b78c9c
--- /dev/null
+++ b/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers.ts
@@ -0,0 +1,10 @@
+/// <reference path='fourslash.ts' />
+
+////var aa = 1;
+
+////interface a { /*interfaceValue1*/
+
+test.markers().forEach((m) => {
+    goTo.position(m.position, m.fileName);
+    verify.completionListIsEmpty();
+});
diff --git a/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers2.ts b/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers2.ts
new file mode 100644
index 00000000000..82a30325948
--- /dev/null
+++ b/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers2.ts
@@ -0,0 +1,10 @@
+/// <reference path='fourslash.ts' />
+
+////var aa = 1;
+
+////interface a { f/*interfaceValue2*/
+
+test.markers().forEach((m) => {
+    goTo.position(m.position, m.fileName);
+    verify.completionListIsEmpty();
+});
diff --git a/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers3.ts b/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers3.ts
new file mode 100644
index 00000000000..ed640dd3f1a
--- /dev/null
+++ b/tests/cases/fourslash/completionListAtIdentifierDefinitionLocations_interfaceMembers3.ts
@@ -0,0 +1,10 @@
+/// <reference path='fourslash.ts' />
+
+////var aa = 1;
+
+////interface a { f; /*interfaceValue3*/
+
+test.markers().forEach((m) => {
+    goTo.position(m.position, m.fileName);
+    verify.completionListIsEmpty();
+});