diff --git a/dll/win32/dbghelp/elf_module.c b/dll/win32/dbghelp/elf_module.c
index 4cbb09ff789..9449c9ab618 100644
--- a/dll/win32/dbghelp/elf_module.c
+++ b/dll/win32/dbghelp/elf_module.c
@@ -387,7 +387,6 @@ static BOOL elf_map_shdr(struct elf_map_file_data* emfd, struct image_file_map*
  */
 static BOOL elf_map_file(struct elf_map_file_data* emfd, struct image_file_map* fmap)
 {
-    static const BYTE   elf_signature[4] = { ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3 };
     unsigned int        i;
     size_t              tmp, page_mask = sysinfo.dwPageSize - 1;
     WCHAR              *dos_path;
@@ -419,10 +418,10 @@ static BOOL elf_map_file(struct elf_map_file_data* emfd, struct image_file_map*
         return FALSE;
 
     /* and check for an ELF header */
-    if (memcmp(e_ident, elf_signature, sizeof(elf_signature)))
+    if (memcmp(e_ident, "\177ELF", 4))
         return FALSE;
 
-    fmap->addr_size = e_ident[EI_CLASS] == ELFCLASS64 ? 64 : 32;
+    fmap->addr_size = e_ident[4] == 2 /* ELFCLASS64 */ ? 64 : 32;
 
     if (fmap->addr_size == 32)
     {
diff --git a/sdk/tools/winesync/dbghelp.cfg b/sdk/tools/winesync/dbghelp.cfg
index 5e791152719..9c8efd8d37a 100644
--- a/sdk/tools/winesync/dbghelp.cfg
+++ b/sdk/tools/winesync/dbghelp.cfg
@@ -4,4 +4,4 @@ files:
   include/dbghelp.h: sdk/include/psdk/dbghelp.h
   include/wine/mscvpdb.h: sdk/include/reactos/wine/mscvpdb.h
 tags:
-  wine: 7b12b1849c711476b64b3ed6bc60805ff8f2715f
+  wine: 66ab2c503de6d39f1a0256d66511da05d326ac5e