diff --git a/dlls/kernel32/sync.c b/dlls/kernel32/sync.c
index e317bf7e37a..0032d17ef92 100644
--- a/dlls/kernel32/sync.c
+++ b/dlls/kernel32/sync.c
@@ -913,8 +913,7 @@ HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWST
     attr.Length                   = sizeof(attr);
     attr.RootDirectory            = 0;
     attr.ObjectName               = NULL;
-    attr.Attributes               = OBJ_CASE_INSENSITIVE | OBJ_OPENIF |
-                                    ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
+    attr.Attributes               = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
     attr.SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
     attr.SecurityQualityOfService = NULL;
     if (name)
@@ -967,7 +966,7 @@ HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
     attr.Length                   = sizeof(attr);
     attr.RootDirectory            = 0;
     attr.ObjectName               = NULL;
-    attr.Attributes               = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
+    attr.Attributes               = inherit ? OBJ_INHERIT : 0;
     attr.SecurityDescriptor       = NULL;
     attr.SecurityQualityOfService = NULL;
     if (name)
diff --git a/dlls/kernel32/tests/sync.c b/dlls/kernel32/tests/sync.c
index 64024575c57..7c9967d513a 100644
--- a/dlls/kernel32/tests/sync.c
+++ b/dlls/kernel32/tests/sync.c
@@ -372,6 +372,42 @@ static void test_semaphore(void)
     CloseHandle( handle );
 }
 
+static void test_waitable_timer(void)
+{
+    HANDLE handle, handle2;
+
+    /* test case sensitivity */
+
+    SetLastError(0xdeadbeef);
+    handle = CreateWaitableTimerA(NULL, FALSE, __FILE__ ": Test WaitableTimer");
+    ok(handle != NULL, "CreateWaitableTimer failed with error %u\n", GetLastError());
+    ok(GetLastError() == 0, "wrong error %u\n", GetLastError());
+
+    SetLastError(0xdeadbeef);
+    handle2 = CreateWaitableTimerA(NULL, FALSE, __FILE__ ": Test WaitableTimer");
+    ok( handle2 != NULL, "CreateWaitableTimer failed with error %d\n", GetLastError());
+    ok( GetLastError() == ERROR_ALREADY_EXISTS, "wrong error %u\n", GetLastError());
+    CloseHandle( handle2 );
+
+    SetLastError(0xdeadbeef);
+    handle2 = CreateWaitableTimerA(NULL, FALSE, __FILE__ ": TEST WAITABLETIMER");
+    ok( handle2 != NULL, "CreateWaitableTimer failed with error %d\n", GetLastError());
+    ok( GetLastError() == 0, "wrong error %u\n", GetLastError());
+    CloseHandle( handle2 );
+
+    SetLastError(0xdeadbeef);
+    handle2 = OpenWaitableTimerA( TIMER_ALL_ACCESS, FALSE, __FILE__ ": Test WaitableTimer");
+    ok( handle2 != NULL, "OpenWaitableTimer failed with error %d\n", GetLastError());
+    CloseHandle( handle2 );
+
+    SetLastError(0xdeadbeef);
+    handle2 = OpenWaitableTimerA( TIMER_ALL_ACCESS, FALSE, __FILE__ ": TEST WAITABLETIMER");
+    ok( !handle2, "OpenWaitableTimer succeeded\n");
+    ok( GetLastError() == ERROR_FILE_NOT_FOUND, "wrong error %u\n", GetLastError());
+
+    CloseHandle( handle );
+}
+
 static HANDLE sem = 0;
 
 static void CALLBACK iocp_callback(DWORD dwErrorCode, DWORD dwNumberOfBytesTransferred, LPOVERLAPPED lpOverlapped)
@@ -488,5 +524,6 @@ START_TEST(sync)
     test_slist();
     test_event();
     test_semaphore();
+    test_waitable_timer();
     test_iocp_callback();
 }