diff --git a/lib/facter/lldp.rb b/lib/facter/lldp.rb
index af2aa76..44f4e40 100644
--- a/lib/facter/lldp.rb
+++ b/lib/facter/lldp.rb
@@ -7,7 +7,8 @@ class MalformedDataError < StandardError; end
 
 Facter.add(:lldp) do
   confine do
-    Facter::Util::Resolution.which('lldpctl')
+    Facter::Util::Resolution.which('lldpctl') &&
+      File.exist?('/run/lldpd/lldpd.socket')
   end
 
   setcode do
diff --git a/spec/unit/facter/lldp_spec.rb b/spec/unit/facter/lldp_spec.rb
index d3a10e2..624ca1c 100644
--- a/spec/unit/facter/lldp_spec.rb
+++ b/spec/unit/facter/lldp_spec.rb
@@ -170,14 +170,25 @@
 
   context 'lldpctl not in path' do
     before do
+      allow(File).to receive(:exist?).with('/run/lldpd/lldpd.socket').and_return(true)
       allow(Facter::Util::Resolution).to receive(:which).with('lldpctl').and_return(nil)
     end
 
     it { expect(Facter.fact(:lldp).value).to eq(nil) }
   end
 
+  context 'lldpd not running' do
+    before do
+      allow(File).to receive(:exist?).with('/run/lldpd/lldpd.socket').and_return(false)
+      allow(Facter::Util::Resolution).to receive(:which).with('lldpctl').and_return('/usr/sbin/lldpctl')
+    end
+
+    it { expect(Facter.fact(:lldp).value).to eq(nil) }
+  end
+
   context 'valid run' do
     before do
+      allow(File).to receive(:exist?).with('/run/lldpd/lldpd.socket').and_return(true)
       allow(Facter::Util::Resolution).to receive(:which).with('lldpctl').and_return('/usr/sbin/lldpctl')
     end