diff --git a/base/applications/cmdutils/reg/add.c b/base/applications/cmdutils/reg/add.c
index 4b50a13b975..de22874b901 100644
--- a/base/applications/cmdutils/reg/add.c
+++ b/base/applications/cmdutils/reg/add.c
@@ -235,6 +235,8 @@ int reg_add(int argc, WCHAR *argvW[])
             value_empty = TRUE;
             continue;
         }
+        else if (!lstrcmpiW(str, L"reg:32") || !lstrcmpiW(str, L"reg:64"))
+            continue;
         else if (!str[0] || str[1])
             goto invalid;
 
diff --git a/base/applications/cmdutils/reg/delete.c b/base/applications/cmdutils/reg/delete.c
index f1b29e6f3a2..db1ed0f5337 100644
--- a/base/applications/cmdutils/reg/delete.c
+++ b/base/applications/cmdutils/reg/delete.c
@@ -137,6 +137,8 @@ int reg_delete(int argc, WCHAR *argvW[])
             value_empty = TRUE;
             continue;
         }
+        else if (!lstrcmpiW(str, L"reg:32") || !lstrcmpiW(str, L"reg:64"))
+            continue;
         else if (!str[0] || str[1])
             goto invalid;
 
diff --git a/base/applications/cmdutils/reg/export.c b/base/applications/cmdutils/reg/export.c
index 8abecf1f595..49991c06ee3 100644
--- a/base/applications/cmdutils/reg/export.c
+++ b/base/applications/cmdutils/reg/export.c
@@ -368,6 +368,8 @@ int reg_export(int argc, WCHAR *argvW[])
 
         if (is_char(*str, 'y') && !str[1])
             overwrite_file = TRUE;
+        else if (!lstrcmpiW(str, L"reg:32") || !lstrcmpiW(str, L"reg:64"))
+            continue;
         else
             goto invalid;
     }
diff --git a/base/applications/cmdutils/reg/import.c b/base/applications/cmdutils/reg/import.c
index 223e7db0e48..5750dbf0c79 100644
--- a/base/applications/cmdutils/reg/import.c
+++ b/base/applications/cmdutils/reg/import.c
@@ -978,11 +978,19 @@ int reg_import(int argc, WCHAR *argvW[])
     BYTE s[2];
     struct parser parser;
 
-    if (argc > 3)
+    if (argc > 4) goto invalid;
+
+    if (argc == 4)
     {
-        output_message(STRING_INVALID_SYNTAX);
-        output_message(STRING_FUNC_HELP, wcsupr(argvW[1]));
-        return 1;
+        WCHAR *str = argvW[3];
+
+        if (*str != '/' && *str != '-')
+            goto invalid;
+
+        str++;
+
+        if (lstrcmpiW(str, L"reg:32") && lstrcmpiW(str, L"reg:64"))
+            goto invalid;
     }
 
     filename = argvW[2];
@@ -1032,4 +1040,9 @@ int reg_import(int argc, WCHAR *argvW[])
 error:
     fclose(fp);
     return 1;
+
+invalid:
+    output_message(STRING_INVALID_SYNTAX);
+    output_message(STRING_FUNC_HELP, wcsupr(argvW[1]));
+    return 1;
 }
diff --git a/base/applications/cmdutils/reg/lang/en-US.rc b/base/applications/cmdutils/reg/lang/en-US.rc
index 3457b10bc12..97064f2522b 100644
--- a/base/applications/cmdutils/reg/lang/en-US.rc
+++ b/base/applications/cmdutils/reg/lang/en-US.rc
@@ -148,4 +148,8 @@ STRINGTABLE
     STRING_OVERWRITE_FILE, "The file '%1' already exists. Do you want to overwrite it?"
     STRING_KEY_NONEXIST, "reg: Unable to find the specified registry key\n"
     STRING_KEY_IMPORT_FAILED, "reg: Unable to import the registry key '%1'\n"
+    STRING_REG_VIEW_USAGE, "  /reg:32\n\
+\     Access the registry using the 32-bit view.\n\n\
+\  /reg:64\n\
+\     Access the registry using the 64-bit view.\n\n"
 }
diff --git a/base/applications/cmdutils/reg/query.c b/base/applications/cmdutils/reg/query.c
index d2a7968fa0b..9d840c8947d 100644
--- a/base/applications/cmdutils/reg/query.c
+++ b/base/applications/cmdutils/reg/query.c
@@ -347,6 +347,8 @@ int reg_query(int argc, WCHAR *argvW[])
             value_empty = TRUE;
             continue;
         }
+        else if (!lstrcmpiW(str, L"reg:32") || !lstrcmpiW(str, L"reg:64"))
+            continue;
         else if (!str[0] || str[1])
             goto invalid;
 
diff --git a/base/applications/cmdutils/reg/reg.c b/base/applications/cmdutils/reg/reg.c
index 1230d261d8e..2303df81823 100644
--- a/base/applications/cmdutils/reg/reg.c
+++ b/base/applications/cmdutils/reg/reg.c
@@ -338,6 +338,7 @@ int __cdecl wmain(int argc, WCHAR *argvW[])
     if (is_help_switch(argvW[2]))
     {
         output_message(op_help);
+        output_message(STRING_REG_VIEW_USAGE);
         return 0;
     }
 
diff --git a/base/applications/cmdutils/reg/resource.h b/base/applications/cmdutils/reg/resource.h
index 6768aaf595e..c1698e91c7e 100644
--- a/base/applications/cmdutils/reg/resource.h
+++ b/base/applications/cmdutils/reg/resource.h
@@ -63,3 +63,4 @@
 #define STRING_OVERWRITE_FILE         138
 #define STRING_KEY_NONEXIST           139
 #define STRING_KEY_IMPORT_FAILED      140
+#define STRING_REG_VIEW_USAGE         141
diff --git a/sdk/tools/winesync/reg.cfg b/sdk/tools/winesync/reg.cfg
index af152700ed8..6a3b21ef417 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: 010cb1b4057550b2eb6c371db5ba5a8d11ef337e
+  wine: 2b900e1c38d9bed0901ea036488e896e6df0cbe9