--- a/include/Zycore/Defines.h
+++ b/include/Zycore/Defines.h
@@ -154,6 +154,8 @@
 #   define ZYAN_PPC
 #elif defined(__riscv) && __riscv_xlen == 64
 #   define ZYAN_RISCV64
+#elif defined(__alpha__)
+#   define ZYAN_ALPHA
 #else
 #   error "Unsupported architecture detected"
 #endif
--- a/src/Format.c
+++ b/src/Format.c
@@ -423,7 +423,7 @@ ZyanStatus ZyanStringAppendFormat(ZyanSt
 
 ZyanStatus ZyanStringAppendDecU(ZyanString* string, ZyanU64 value, ZyanU8 padding_length)
 {
-#if defined(ZYAN_X64) || defined(ZYAN_AARCH64) || defined(ZYAN_PPC64) || defined(ZYAN_RISCV64) || defined(ZYAN_LOONGARCH)
+#if defined(ZYAN_X64) || defined(ZYAN_AARCH64) || defined(ZYAN_PPC64) || defined(ZYAN_RISCV64) || defined(ZYAN_LOONGARCH) || defined(ZYAN_ALPHA)
     return ZyanStringAppendDecU64(string, value, padding_length);
 #else
     // Working with 64-bit values is slow on non 64-bit systems
@@ -464,7 +464,7 @@ ZyanStatus ZyanStringAppendDecS(ZyanStri
 ZyanStatus ZyanStringAppendHexU(ZyanString* string, ZyanU64 value, ZyanU8 padding_length,
     ZyanBool uppercase)
 {
-#if defined(ZYAN_X64) || defined(ZYAN_AARCH64) || defined(ZYAN_PPC64) || defined(ZYAN_RISCV64) || defined(ZYAN_LOONGARCH)
+#if defined(ZYAN_X64) || defined(ZYAN_AARCH64) || defined(ZYAN_PPC64) || defined(ZYAN_RISCV64) || defined(ZYAN_LOONGARCH) || defined(ZYAN_ALPHA)
     return ZyanStringAppendHexU64(string, value, padding_length, uppercase);
 #else
     // Working with 64-bit values is slow on non 64-bit systems