diff --git a/libc/include/llvm-libc-types/fexcept_t.h b/libc/include/llvm-libc-types/fexcept_t.h
index 60687bd1318aa..5aa09fbbaffc7 100644
--- a/libc/include/llvm-libc-types/fexcept_t.h
+++ b/libc/include/llvm-libc-types/fexcept_t.h
@@ -9,6 +9,10 @@
 #ifndef LLVM_LIBC_TYPES_FEXCEPT_T_H
 #define LLVM_LIBC_TYPES_FEXCEPT_T_H
 
-typedef int fexcept_t;
+#if defined(__x86_64__) || defined(__i386__)
+typedef unsigned short int fexcept_t;
+#else
+typedef unsigned int fexcept_t;
+#endif
 
 #endif // LLVM_LIBC_TYPES_FEXCEPT_T_H