diff --git a/src/getSpecialCode.js b/src/getSpecialCode.js
index ef93b6e..0728ccf 100644
--- a/src/getSpecialCode.js
+++ b/src/getSpecialCode.js
@@ -19,7 +19,7 @@ function getSpecialCode(value) {
 
   const [code] = _partsSpecial(str);
 
-  return SPECIALS[code] ? code : null;
+  return code ? (SPECIALS[code.toUpperCase()] ? code.toUpperCase() : null) : null;
 }
 
 export { getSpecialCode };
diff --git a/src/getSpecialName.js b/src/getSpecialName.js
index 1fbf5db..896d500 100644
--- a/src/getSpecialName.js
+++ b/src/getSpecialName.js
@@ -13,7 +13,7 @@ function getSpecialName(value) {
   const str = !value ? "" : value;
   const code = getSpecialCode(str);
 
-  return SPECIALS[code] || null;
+  return code ? SPECIALS[code.toUpperCase()] : null;
 }
 
 export { getSpecialName };