diff --git a/include/config.h b/include/config.h
index 1ba436b5..e5b14cb7 100644
--- a/include/config.h
+++ b/include/config.h
@@ -172,7 +172,8 @@
 
 /* 64bit arch MACRO */
 #if (defined(__x86_64__) || defined(__arm64__) || defined(__aarch64__) || \
-     (defined(__riscv) && __riscv_xlen == 64))
+     (defined(__riscv) && __riscv_xlen == 64) || defined(__powerpc64le__) || \
+     defined(__s390x__) || defined(__loongarch64))
   #define WORD_SIZE_64 1
 #endif