diff --git a/dtool/src/dtoolbase/dtool_platform.h b/dtool/src/dtoolbase/dtool_platform.h
index 2a6ed12a9b..16ea54d88a 100644
--- a/dtool/src/dtoolbase/dtool_platform.h
+++ b/dtool/src/dtoolbase/dtool_platform.h
@@ -63,6 +63,9 @@
 #define DTOOL_PLATFORM "android_i386"
 #endif
 
+#elif defined(__aarch64__)
+#define DTOOL_PLATFORM "linux_aarch64"
+
 #elif defined(__x86_64)
 #define DTOOL_PLATFORM "linux_amd64"