diff --git a/test/http/parsing_test.cpp b/test/http/parsing_test.cpp
index e51e89c..f35f761 100644
--- a/test/http/parsing_test.cpp
+++ b/test/http/parsing_test.cpp
@@ -12,6 +12,7 @@
     // The Redfish specification DSP0266 shows no space between the ; and
     // charset.
     EXPECT_TRUE(isJsonContentType("application/json;charset=utf-8"));
+    EXPECT_TRUE(isJsonContentType("application/json;charset=ascii"));
 
     // Sites like mozilla show the space included [1]
     //  https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Type
@@ -26,7 +27,6 @@
     EXPECT_FALSE(isJsonContentType(";"));
     EXPECT_FALSE(isJsonContentType("application/json;"));
     EXPECT_FALSE(isJsonContentType("application/json; "));
-    EXPECT_FALSE(isJsonContentType("application/json; charset=ascii"));
     EXPECT_FALSE(isJsonContentType("json"));
 }
 } // namespace