diff --git a/cmake/arch.cmake b/cmake/arch.cmake
index 07df31b89..ebdc5a833 100644
--- a/cmake/arch.cmake
+++ b/cmake/arch.cmake
@@ -135,7 +135,7 @@ if (ARM64)
   set(BINARY_DEFINED 1)
 endif ()
 
-if (${ARCH} STREQUAL "riscv64")
+if (RISCV64)
   set(NO_BINARY_MODE 1)
   set(BINARY_DEFINED 1)
 endif ()