1 files changed, 4 insertions, 4 deletions
diff --git a/spec/ruby/core/basicobject/singleton_method_added_spec.rb b/spec/ruby/core/basicobject/singleton_method_added_spec.rb
index ab6b2a2d10..fc65a091aa 100644
--- a/spec/ruby/core/basicobject/singleton_method_added_spec.rb
+++ b/spec/ruby/core/basicobject/singleton_method_added_spec.rb
@@ -94,7 +94,7 @@ describe "BasicObject#singleton_method_added" do
         -> {
           def self.foo
           end
-        }.should raise_error(NoMethodError, /undefined method `singleton_method_added' for/)
+        }.should raise_error(NoMethodError, /undefined method [`']singleton_method_added' for/)
       end
     end
 
@@ -106,16 +106,16 @@ describe "BasicObject#singleton_method_added" do
         -> {
           def foo
           end
-        }.should raise_error(NoMethodError, /undefined method `singleton_method_added' for #<Object:/)
+        }.should raise_error(NoMethodError, /undefined method [`']singleton_method_added' for #<Object:/)
 
         -> {
           define_method(:bar) {}
-        }.should raise_error(NoMethodError, /undefined method `singleton_method_added' for #<Object:/)
+        }.should raise_error(NoMethodError, /undefined method [`']singleton_method_added' for #<Object:/)
       end
 
       -> {
         object.define_singleton_method(:baz) {}
-      }.should raise_error(NoMethodError, /undefined method `singleton_method_added' for #<Object:/)
+      }.should raise_error(NoMethodError, /undefined method [`']singleton_method_added' for #<Object:/)
     end
 
     it "calls #method_missing" do