diff --git a/lib/neography/connection.rb b/lib/neography/connection.rb
index a609891..5dbb14f 100644
--- a/lib/neography/connection.rb
+++ b/lib/neography/connection.rb
@@ -98,13 +98,13 @@ def evaluate_response(response)
       when 204
         @logger.debug "OK, no content returned" if @log_enabled
         nil
-      when 400...500
-        handle_4xx_response(code, body)
+      when 400..500
+        handle_4xx_500_response(code, body)
         nil
       end
     end
 
-    def handle_4xx_response(code, body)
+    def handle_4xx_500_response(code, body)
       parsed_body = JSON.parse(body)
       message = parsed_body["message"]
       stacktrace = parsed_body["stacktrace"]
diff --git a/spec/unit/connection_spec.rb b/spec/unit/connection_spec.rb
index 330d10c..a4bdcad 100644
--- a/spec/unit/connection_spec.rb
+++ b/spec/unit/connection_spec.rb
@@ -196,8 +196,15 @@ module Neography
           }.to raise_error NeographyError
         end
 
-      end
+        it "raises BadInputException" do
+          response = error_response(code: 500, message: "a message", exception: "JsonParseException")
+          HTTParty.stub(:get).and_return(response)
+          expect {
+            connection.get("/foo/bar")
+          }.to raise_error NeographyError
+        end
 
+      end
     end
   end
 end