1 files changed, 10 insertions, 2 deletions

diff --git a/lib/chef/property.rb b/lib/chef/property.rb
index 2c7cde8651..b2658235f2 100644
--- a/lib/chef/property.rb
+++ b/lib/chef/property.rb
@@ -116,6 +116,10 @@ class Chef
       options[:instance_variable_name] = options[:instance_variable_name].to_sym if options[:instance_variable_name]
     end
 
+    def to_s
+      name
+    end
+
     #
     # The name of this property.
     #
@@ -470,18 +474,22 @@ class Chef
       # stack trace if you use `define_method`.
       declared_in.class_eval <<-EOM, __FILE__, __LINE__+1
         def #{name}(value=NOT_PASSED)
+          raise "Property #{name} of \#{self} cannot be passed a block! If you meant to create a resource named #{name} instead, you'll need to first rename the property." if block_given?
           self.class.properties[#{name.inspect}].call(self, value)
         end
         def #{name}=(value)
+          raise "Property #{name} of \#{self} cannot be passed a block! If you meant to create a resource named #{name} instead, you'll need to first rename the property." if block_given?
           self.class.properties[#{name.inspect}].set(self, value)
         end
       EOM
     rescue SyntaxError
       # If the name is not a valid ruby name, we use define_method.
-      declared_in.define_method(name) do |value=NOT_PASSED|
+      declared_in.define_method(name) do |value=NOT_PASSED, &block|
+        raise "Property #{name} of #{self} cannot be passed a block! If you meant to create a resource named #{name} instead, you'll need to first rename the property." if block
         self.class.properties[name].call(self, value)
       end
-      declared_in.define_method("#{name}=") do |value|
+      declared_in.define_method("#{name}=") do |value, &block|
+        raise "Property #{name} of #{self} cannot be passed a block! If you meant to create a resource named #{name} instead, you'll need to first rename the property." if block
         self.class.properties[name].set(self, value)
       end
     end