diff --git a/modules/swagger-codegen/src/main/resources/ruby/base_object.mustache b/modules/swagger-codegen/src/main/resources/ruby/base_object.mustache
index d4ea5b334a6..d54354c982d 100644
--- a/modules/swagger-codegen/src/main/resources/ruby/base_object.mustache
+++ b/modules/swagger-codegen/src/main/resources/ruby/base_object.mustache
@@ -31,7 +31,7 @@
       when :Float
         value.to_f
       when :BOOLEAN
-        if value =~ /^(true|t|yes|y|1)$/i
+        if value.to_s =~ /^(true|t|yes|y|1)$/i
           true
         else
           false