diff --git a/runtime/bin/file_system_watcher.h b/runtime/bin/file_system_watcher.h
index c9a54e7..36c23d5 100644
--- a/runtime/bin/file_system_watcher.h
+++ b/runtime/bin/file_system_watcher.h
@@ -24,7 +24,7 @@
     kModifyContent = 1 << 1,
     kDelete = 1 << 2,
     kMove = 1 << 3,
-    kModifyAttribute = 1 << 4,
+    kModefyAttribute = 1 << 4,
     kDeleteSelf = 1 << 5,
     kIsDir = 1 << 6
   };
diff --git a/runtime/bin/file_system_watcher_android.cc b/runtime/bin/file_system_watcher_android.cc
index 2b68771..0bef08c 100644
--- a/runtime/bin/file_system_watcher_android.cc
+++ b/runtime/bin/file_system_watcher_android.cc
@@ -81,7 +81,7 @@
     mask |= FileSystemWatcher::kModifyContent;
   }
   if ((e->mask & IN_ATTRIB) != 0) {
-    mask |= FileSystemWatcher::kModisfyAttribute;
+    mask |= FileSystemWatcher::kModefyAttribute;
   }
   if ((e->mask & IN_CREATE) != 0) {
     mask |= FileSystemWatcher::kCreate;
diff --git a/runtime/bin/file_system_watcher_linux.cc b/runtime/bin/file_system_watcher_linux.cc
index daa2d26..f16b87c 100644
--- a/runtime/bin/file_system_watcher_linux.cc
+++ b/runtime/bin/file_system_watcher_linux.cc
@@ -80,7 +80,7 @@
     mask |= FileSystemWatcher::kModifyContent;
   }
   if ((e->mask & IN_ATTRIB) != 0) {
-    mask |= FileSystemWatcher::kModifyAttribute;
+    mask |= FileSystemWatcher::kModefyAttribute;
   }
   if ((e->mask & IN_CREATE) != 0) {
     mask |= FileSystemWatcher::kCreate;
diff --git a/runtime/bin/file_system_watcher_macos.cc b/runtime/bin/file_system_watcher_macos.cc
index b73c0d13..770ed06 100644
--- a/runtime/bin/file_system_watcher_macos.cc
+++ b/runtime/bin/file_system_watcher_macos.cc
@@ -358,7 +358,7 @@
       mask |= kModifyContent;
     }
     if ((flags & kFSEventStreamEventFlagItemXattrMod) != 0) {
-      mask |= kModifyAttribute;
+      mask |= kModefyAttribute;
     }
     if ((flags & kFSEventStreamEventFlagItemCreated) != 0) {
       mask |= kCreate;