diff --git a/.rubocop.yml b/.rubocop.yml
index e16503306..6cab21fa8 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -152,4 +152,7 @@ RSpec/NotToNot:
   Enabled: true
 
 RSpec/OverwritingSetup:
+  Enabled: true
+
+RSpec/PredicateMatcher:
   Enabled: true
\ No newline at end of file
diff --git a/spec/models/geozone_spec.rb b/spec/models/geozone_spec.rb
index 69c423f7a..792ae2e0b 100644
--- a/spec/models/geozone_spec.rb
+++ b/spec/models/geozone_spec.rb
@@ -16,27 +16,27 @@ describe Geozone do
     let(:geozone) { create(:geozone) }
 
     it "is true when not linked to other models" do
-      expect(geozone.safe_to_destroy?).to be_truthy
+      expect(geozone).to be_safe_to_destroy
     end
 
     it "is false when already linked to user" do
       create(:user, geozone: geozone)
-      expect(geozone.safe_to_destroy?).to be_falsey
+      expect(geozone).not_to be_safe_to_destroy
     end
 
     it "is false when already linked to proposal" do
       create(:proposal, geozone: geozone)
-      expect(geozone.safe_to_destroy?).to be_falsey
+      expect(geozone).not_to be_safe_to_destroy
     end
 
     it "is false when already linked to spending proposal" do
       create(:spending_proposal, geozone: geozone)
-      expect(geozone.safe_to_destroy?).to be_falsey
+      expect(geozone).not_to be_safe_to_destroy
     end
 
     it "is false when already linked to debate" do
       create(:debate, geozone: geozone)
-      expect(geozone.safe_to_destroy?).to be_falsey
+      expect(geozone).not_to be_safe_to_destroy
     end
   end
 end