diff --git a/src/os.hpp b/src/os.hpp
index c9fc26e602dfaf1e59e33939b2c2b56f284422fd..5064a6444c2e30b65e62fb218381409734044023 100644
--- a/src/os.hpp
+++ b/src/os.hpp
@@ -35,7 +35,7 @@
 #define ZIG_ARCH_X86_64
 #elif defined(__aarch64__)
 #define ZIG_ARCH_ARM64
-#elif defined(__arm__)
+#elif defined(__ARM_EABI__)
 #define ZIG_ARCH_ARM
 #else
 #define ZIG_ARCH_UNKNOWN