diff --git a/spec/lib/rex/socket_spec.rb b/spec/lib/rex/socket_spec.rb
index e54a4fc362..1aa6690da0 100644
--- a/spec/lib/rex/socket_spec.rb
+++ b/spec/lib/rex/socket_spec.rb
@@ -39,7 +39,7 @@ describe Rex::Socket do
 
     context 'with ipv6' do
       let(:try) { "fe80::1" }
-      it { expect(subject).to be_an(String) }
+      it { is_expected.to be_an(String) }
       it { expect(subject.bytes.count).to eq(16) }
       it "should be in the right order" do
         nbo.should == "\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01"
@@ -48,7 +48,7 @@ describe Rex::Socket do
 
     context 'with ipv4' do
       let(:try) { "127.0.0.1" }
-      it { expect(subject).to be_an(String) }
+      it { is_expected.to be_an(String) }
       it { expect(subject.bytes.count).to eq(4) }
       it "should be in the right order" do
         nbo.should == "\x7f\x00\x00\x01"
@@ -131,7 +131,7 @@ describe Rex::Socket do
       let(:response_afamily) { Socket::AF_INET }
       let(:response_addresses) { ["\x01\x01\x01\x01", "\x02\x02\x02\x02"] }
 
-      it { expect(subject).to be_an(Array) }
+      it { is_expected.to be_an(Array) }
       it { expect(subject.size).to eq(2) }
       it "should return the ASCII addresses" do
         subject.should include("1.1.1.1")
@@ -143,7 +143,7 @@ describe Rex::Socket do
       let(:response_afamily) { Socket::AF_INET6 }
       let(:response_addresses) { ["\xfe\x80"+("\x00"*13)+"\x01", "\xfe\x80"+("\x00"*13)+"\x02"] }
 
-      it { expect(subject).to be_an(Array) }
+      it { is_expected.to be_an(Array) }
       it { expect(subject.size).to eq(2) }
       it "should return the ASCII addresses" do
         subject.should include("fe80::1")
@@ -155,7 +155,7 @@ describe Rex::Socket do
       let(:response_afamily) { Socket::AF_INET }
       let(:response_addresses) { ["1.1.1.1", "2.2.2.2"] }
 
-      it { expect(subject).to be_an(Array) }
+      it { is_expected.to be_an(Array) }
       it { expect(subject.size).to eq(2) }
       it "should return the ASCII addresses" do
         subject.should include("1.1.1.1")