diff --git a/programs/winetest/main.c b/programs/winetest/main.c
index cc73f94472a..427b6b47aca 100644
--- a/programs/winetest/main.c
+++ b/programs/winetest/main.c
@@ -319,6 +319,8 @@ static void print_version (void)
     static const char platform[] = "powerpc";
 #elif defined(__arm__)
     static const char platform[] = "arm";
+#elif defined(__aarch64__)
+    static const char platform[] = "arm64";
 #else
 # error CPU unknown
 #endif