diff --git a/dlls/ntdll/tests/change.c b/dlls/ntdll/tests/change.c
index b45c7be00f5..30e2e5eb3c3 100644
--- a/dlls/ntdll/tests/change.c
+++ b/dlls/ntdll/tests/change.c
@@ -88,15 +88,15 @@ static void test_ntncdf(void)
     filter |= FILE_NOTIFY_CHANGE_CREATION;
     filter |= FILE_NOTIFY_CHANGE_SECURITY;
 
-    iosb.Status = 1;
+    U(iosb).Status = 1;
     iosb.Information = 1;
     r = pNtNotifyChangeDirectoryFile(hdir,hEvent,NULL,NULL,&iosb,buffer,sizeof buffer,-1,0);
     ok(r==STATUS_INVALID_PARAMETER, "should return invalid parameter\n");
 
-    ok( iosb.Status == 1, "information wrong\n");
+    ok( U(iosb).Status == 1, "information wrong\n");
     ok( iosb.Information == 1, "information wrong\n");
 
-    iosb.Status = 1;
+    U(iosb).Status = 1;
     iosb.Information = 0;
     r = pNtNotifyChangeDirectoryFile(hdir,hEvent,NULL,NULL,&iosb,buffer,sizeof buffer,filter,0);
     ok(r==STATUS_PENDING, "should return status pending\n");
@@ -116,7 +116,7 @@ static void test_ntncdf(void)
     r = WaitForSingleObject( hEvent, 0 );
     ok( r == WAIT_OBJECT_0, "event should be ready\n" );
 
-    ok( iosb.Status == STATUS_SUCCESS, "information wrong\n");
+    ok( U(iosb).Status == STATUS_SUCCESS, "information wrong\n");
     ok( iosb.Information == 0x12, "information wrong\n");
 
     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
@@ -133,12 +133,12 @@ static void test_ntncdf(void)
 
     filter = FILE_NOTIFY_CHANGE_SIZE;
 
-    iosb.Status = 1;
+    U(iosb).Status = 1;
     iosb.Information = 1;
     r = pNtNotifyChangeDirectoryFile(hdir,0,NULL,NULL,&iosb,NULL,0,filter,0);
     ok(r==STATUS_PENDING, "should status pending\n");
 
-    ok( iosb.Status == 1, "information wrong\n");
+    ok( U(iosb).Status == 1, "information wrong\n");
     ok( iosb.Information == 1, "information wrong\n");
 
     r = WaitForSingleObject( hdir, 0 );
@@ -153,7 +153,7 @@ static void test_ntncdf(void)
     r = WaitForSingleObject( hdir, 100 );
     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 
-    ok( iosb.Status == STATUS_NOTIFY_ENUM_DIR, "information wrong\n");
+    ok( U(iosb).Status == STATUS_NOTIFY_ENUM_DIR, "information wrong\n");
     ok( iosb.Information == 0, "information wrong\n");
 
     CloseHandle(hdir);
@@ -211,11 +211,11 @@ static void test_ntncdf_async(void)
     filter |= FILE_NOTIFY_CHANGE_SECURITY;
 
 
-    iosb.Status      = 0x01234567;
+    U(iosb).Status   = 0x01234567;
     iosb.Information = 0x12345678;
     r = pNtNotifyChangeDirectoryFile(hdir,0,NULL,NULL,&iosb,buffer,sizeof buffer,filter,0);
     ok(r==STATUS_PENDING, "should status pending\n");
-    ok(iosb.Status == 0x01234567, "status set too soon\n");
+    ok(U(iosb).Status == 0x01234567, "status set too soon\n");
     ok(iosb.Information == 0x12345678, "info set too soon\n");
 
     r = CreateDirectoryW( subdir, NULL );
@@ -224,7 +224,7 @@ static void test_ntncdf_async(void)
     r = WaitForSingleObject( hdir, 100 );
     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 
-    ok(iosb.Status == STATUS_SUCCESS, "status not successful\n");
+    ok(U(iosb).Status == STATUS_SUCCESS, "status not successful\n");
     ok(iosb.Information == 0x12, "info not set\n");
 
     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
@@ -242,7 +242,7 @@ static void test_ntncdf_async(void)
     r = WaitForSingleObject( hdir, 0 );
     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 
-    ok(iosb.Status == STATUS_SUCCESS, "status not successful\n");
+    ok(U(iosb).Status == STATUS_SUCCESS, "status not successful\n");
     ok(iosb.Information == 0x12, "info not set\n");
 
     ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
@@ -251,7 +251,7 @@ static void test_ntncdf_async(void)
     ok( !memcmp(pfni->FileName,&szHoo[1],6), "name wrong\n" );
 
     /* check APCs */
-    iosb.Status = 0;
+    U(iosb).Status = 0;
     iosb.Information = 0;
 
     r = pNtNotifyChangeDirectoryFile(hdir,0,NULL,NULL,&iosb,NULL,0,filter,0);
@@ -263,10 +263,10 @@ static void test_ntncdf_async(void)
     r = WaitForSingleObject( hdir, 0 );
     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 
-    ok(iosb.Status == STATUS_NOTIFY_ENUM_DIR, "status not successful\n");
+    ok(U(iosb).Status == STATUS_NOTIFY_ENUM_DIR, "status not successful\n");
     ok(iosb.Information == 0, "info not set\n");
 
-    iosb.Status = 0;
+    U(iosb).Status = 0;
     iosb.Information = 0;
 
     r = pNtNotifyChangeDirectoryFile(hdir,hEvent,NULL,NULL,&iosb,buffer,sizeof buffer,filter,0);
@@ -278,21 +278,21 @@ static void test_ntncdf_async(void)
     r = WaitForSingleObject( hEvent, 0 );
     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 
-    ok(iosb.Status == STATUS_SUCCESS, "status not successful\n");
+    ok(U(iosb).Status == STATUS_SUCCESS, "status not successful\n");
     ok(iosb.Information == 0x12, "info not set\n");
 
 
-    iosb.Status      = 0x01234567;
+    U(iosb).Status   = 0x01234567;
     iosb.Information = 0x12345678;
     r = pNtNotifyChangeDirectoryFile(hdir,0,NULL,NULL,&iosb,buffer,sizeof buffer,filter,0);
     ok(r==STATUS_PENDING, "should status pending\n");
 
-    iosb2.Status      = 0x01234567;
+    U(iosb2).Status   = 0x01234567;
     iosb2.Information = 0x12345678;
     r = pNtNotifyChangeDirectoryFile(hdir,0,NULL,NULL,&iosb2,buffer,sizeof buffer,filter,0);
     ok(r==STATUS_PENDING, "should status pending\n");
 
-    ok(iosb.Status == 0x01234567, "status set too soon\n");
+    ok(U(iosb).Status == 0x01234567, "status set too soon\n");
     ok(iosb.Information == 0x12345678, "info set too soon\n");
 
     todo_wine {
@@ -301,8 +301,8 @@ static void test_ntncdf_async(void)
 
     CloseHandle(hdir);
 
-    ok(iosb.Status == STATUS_SUCCESS, "status wrong\n");
-    ok(iosb2.Status == STATUS_CANCELLED, "status wrong\n");
+    ok(U(iosb).Status == STATUS_SUCCESS, "status wrong\n");
+    ok(U(iosb2).Status == STATUS_CANCELLED, "status wrong\n");
     }
     ok(iosb.Information == 0, "info wrong\n");
     ok(iosb2.Information == 0, "info wrong\n");