diff --git a/lib/pact_broker/matrix/deployment_status_summary.rb b/lib/pact_broker/matrix/deployment_status_summary.rb
index b3d9be16c..985d97ab5 100644
--- a/lib/pact_broker/matrix/deployment_status_summary.rb
+++ b/lib/pact_broker/matrix/deployment_status_summary.rb
@@ -75,11 +75,15 @@ def bad_practice_warnings
 
       def selector_without_pacticipant_version_number_specified?
         # If only the pacticipant name is specified, it can't be a can-i-deploy query, must be a matrix UI query
-        resolved_selectors
-          .select(&:specified?)
-          .reject(&:only_pacticipant_name_specified?)
-          .reject(&:pacticipant_version_specified_in_original_selector?)
-          .any?
+        if resolved_selectors.select(&:specified?).reject(&:only_pacticipant_name_specified?).any?
+          # There should be at least one selector with a version number specified
+          resolved_selectors
+            .select(&:specified?)
+            .select(&:pacticipant_version_specified_in_original_selector?)
+            .empty?
+        else
+          false
+        end
       end
 
 
diff --git a/spec/lib/pact_broker/matrix/deployment_status_summary_spec.rb b/spec/lib/pact_broker/matrix/deployment_status_summary_spec.rb
index 9a94139bc..59d920f73 100644
--- a/spec/lib/pact_broker/matrix/deployment_status_summary_spec.rb
+++ b/spec/lib/pact_broker/matrix/deployment_status_summary_spec.rb
@@ -273,7 +273,7 @@ module Matrix
           its(:reasons) { is_expected.to eq [IgnoreSelectorDoesNotExist.new(resolved_ignore_selectors.first), PactBroker::Matrix::Successful.new] }
         end
 
-        context "when there is a selector without a specified pacticipant version number" do
+        context "when there are no specified selectors with a pacticipant version number" do
           let(:resolved_selectors) do
             [
               ResolvedSelector.new(
@@ -290,6 +290,31 @@ module Matrix
           its(:reasons) { is_expected.to include SelectorWithoutPacticipantVersionNumberSpecified.new }
         end
 
+        context "when there are only pacticipant names specified" do
+          let(:resolved_selectors) do
+            [
+              ResolvedSelector.new(
+                pacticipant_id: foo.id,
+                pacticipant_name: foo.name,
+                pacticipant_version_number: nil,
+                pacticipant_version_id: nil,
+                type: :specified,
+                original_selector: { pacticipant_name: foo.name }
+              ),
+              ResolvedSelector.new(
+                pacticipant_id: bar.id,
+                pacticipant_name: bar.name,
+                pacticipant_version_number: nil,
+                pacticipant_version_id: nil,
+                type: :specified,
+                original_selector: { pacticipant_name: bar.name }
+              )
+            ]
+          end
+
+          its(:reasons) { is_expected.to_not include SelectorWithoutPacticipantVersionNumberSpecified.new }
+        end
+
         context "when there is no to tag or environment specified and there was only one specified selector" do
           let(:resolved_selectors) do
             [