diff --git a/icu4c/source/common/unorm.cpp b/icu4c/source/common/unorm.cpp
index d4c4d5a3dd..fc9cfb0b14 100644
--- a/icu4c/source/common/unorm.cpp
+++ b/icu4c/source/common/unorm.cpp
@@ -99,8 +99,8 @@ enum {
  */
 enum {
     _NORM_OPTIONS_NX_MASK=0x1f,
-    _NORM_OPTIONS_UNICODE_MASK=0xe0,
-    _NORM_OPTIONS_SETS_MASK=0xff,
+    _NORM_OPTIONS_UNICODE_MASK=0x60,
+    _NORM_OPTIONS_SETS_MASK=0x7f,
 
     _NORM_OPTIONS_UNICODE_SHIFT=5,