3 files changed, 4 insertions, 4 deletions
diff --git a/spec/ruby/core/module/define_method_spec.rb b/spec/ruby/core/module/define_method_spec.rb
index c5dfc53764..a4fe4fad18 100644
--- a/spec/ruby/core/module/define_method_spec.rb
+++ b/spec/ruby/core/module/define_method_spec.rb
@@ -254,7 +254,7 @@ describe "Module#define_method" do
 
     -> {
       Class.new { define_method(obj, -> {}) }
-    }.should raise_error(TypeError, /can't convert Object to String/)
+    }.should raise_consistent_error(TypeError, /can't convert Object into String/)
   end
 
   it "raises a TypeError when the given method is no Method/Proc" do
diff --git a/spec/ruby/core/module/instance_method_spec.rb b/spec/ruby/core/module/instance_method_spec.rb
index 182cdf5c54..c6bc201520 100644
--- a/spec/ruby/core/module/instance_method_spec.rb
+++ b/spec/ruby/core/module/instance_method_spec.rb
@@ -79,7 +79,7 @@ describe "Module#instance_method" do
     obj = Object.new
     def obj.to_str() [] end
 
-    -> { ModuleSpecs::InstanceMeth.instance_method(obj) }.should raise_error(TypeError, /can't convert Object to String/)
+    -> { ModuleSpecs::InstanceMeth.instance_method(obj) }.should raise_consistent_error(TypeError, /can't convert Object into String/)
   end
 
   it "raises a NameError if the method has been undefined" do
diff --git a/spec/ruby/core/module/shared/class_eval.rb b/spec/ruby/core/module/shared/class_eval.rb
index 526d0a2036..b6e653a2ac 100644
--- a/spec/ruby/core/module/shared/class_eval.rb
+++ b/spec/ruby/core/module/shared/class_eval.rb
@@ -66,7 +66,7 @@ describe :module_class_eval, shared: true do
 
   it "raises a TypeError when the given filename can't be converted to string using to_str" do
     (file = mock('123')).should_receive(:to_str).and_return(123)
-    -> { ModuleSpecs.send(@method, "1+1", file) }.should raise_error(TypeError, /can't convert MockObject to String/)
+    -> { ModuleSpecs.send(@method, "1+1", file) }.should raise_consistent_error(TypeError, /can't convert MockObject into String/)
   end
 
   it "converts non string eval-string to string using to_str" do
@@ -85,7 +85,7 @@ describe :module_class_eval, shared: true do
     -> { ModuleSpecs.send(@method, o) }.should raise_error(TypeError, "no implicit conversion of MockObject into String")
 
     (o = mock('123')).should_receive(:to_str).and_return(123)
-    -> { ModuleSpecs.send(@method, o) }.should raise_error(TypeError, /can't convert MockObject to String/)
+    -> { ModuleSpecs.send(@method, o) }.should raise_consistent_error(TypeError, /can't convert MockObject into String/)
   end
 
   it "raises an ArgumentError when no arguments and no block are given" do