diff --git a/base/applications/cmdutils/reg/add.c b/base/applications/cmdutils/reg/add.c
index 672ec19ef98..29ac0e88af5 100644
--- a/base/applications/cmdutils/reg/add.c
+++ b/base/applications/cmdutils/reg/add.c
@@ -227,6 +227,7 @@ int reg_add(int argc, WCHAR *argvW[])
 
             if (!lstrcmpiW(str, L"ve"))
             {
+                if (value_empty) goto invalid;
                 value_empty = TRUE;
                 continue;
             }
@@ -249,11 +250,12 @@ int reg_add(int argc, WCHAR *argvW[])
                 break;
             case 's':
                 str = argvW[++i];
-                if (!str || lstrlenW(str) != 1)
+                if (separator || !str || lstrlenW(str) != 1)
                     goto invalid;
                 separator = str[0];
                 break;
             case 'f':
+                if (force) goto invalid;
                 force = TRUE;
                 break;
             default:
diff --git a/modules/rostests/winetests/reg/add.c b/modules/rostests/winetests/reg/add.c
index f5d473e8887..e1e7a478502 100644
--- a/modules/rostests/winetests/reg/add.c
+++ b/modules/rostests/winetests/reg/add.c
@@ -234,7 +234,7 @@ static void test_add(void)
     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
 
     run_reg_exe("reg add HKCU\\" KEY_BASE " /f /f", &r);
-    todo_wine ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
+    ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
 
     open_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
 
@@ -295,7 +295,7 @@ static void test_add(void)
     verify_reg(hkey, NULL, REG_SZ, "", 1, 0);
 
     run_reg_exe("reg add HKCU\\" KEY_BASE " /ve /f /ve", &r);
-    todo_wine ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
+    ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
 
     run_reg_exe("reg add HKEY_CURRENT_USER\\" KEY_BASE " /ve /d WineTEST /f", &r);
     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
diff --git a/sdk/tools/winesync/reg.cfg b/sdk/tools/winesync/reg.cfg
index df540a629f6..be7ad220b82 100644
--- a/sdk/tools/winesync/reg.cfg
+++ b/sdk/tools/winesync/reg.cfg
@@ -4,4 +4,4 @@ directories:
 files:
   programs/reg/resource.h: base/applications/cmdutils/reg/resource.h
 tags:
-  wine: 9138f5893c2eb7cafabdd8ed49b99a633eeda462
+  wine: 08976b3ee0db827bc5add829de1f148da89a6362