diff --git a/scripts/multilib_header_wrapper.h b/scripts/multilib_header_wrapper.h
index 88f3193812..cb7ebb8c10 100644
--- a/scripts/multilib_header_wrapper.h
+++ b/scripts/multilib_header_wrapper.h
@@ -5,9 +5,23 @@
  * 
  */
 
-#include <bits/wordsize.h>
+#ifndef __MHWORDSIZE
+# if defined(__has_include)
+#  if __has_include(<bits/alltypes-32.h>) && !__has_include(<bits/alltypes-64.h>)
+#   define __MHWORDSIZE 32				/* musl, 32-bit only */
+#  elif __has_include(<bits/alltypes-64.h>) && !__has_include(<bits/alltypes-32.h>)
+#   define __MHWORDSIZE 64				/* musl, 64-bit only */
+#  elif __has_include(<bits/alltypes.h>)
+#   define __MHWORDSIZE (__SIZEOF_POINTER__ * 8)	/* musl, both (SDK) */
+#  endif
+# endif
+# ifndef __MHWORDSIZE
+#  include <bits/wordsize.h>				/* glibc */
+#  define __MHWORDSIZE __WORDSIZE
+# endif
+#endif
 
-#if __WORDSIZE == 32
+#if __MHWORDSIZE == 32
 
 #ifdef _MIPS_SIM
 
@@ -23,9 +37,9 @@
 #include <ENTER_HEADER_FILENAME_HERE-32.h>
 #endif
 
-#elif __WORDSIZE == 64
+#elif __MHWORDSIZE == 64
 #include <ENTER_HEADER_FILENAME_HERE-64.h>
 #else
 #error "Unknown __WORDSIZE detected"
-#endif /* matches #if __WORDSIZE == 32 */
+#endif /* matches #if __MHWORDSIZE == 32 */