diff --git a/crypto/arm_arch.h b/crypto/arm_arch.h
index 9b13fab4ed1766..23ccd9e33b923e 100644
--- a/crypto/arm_arch.h
+++ b/crypto/arm_arch.h
@@ -50,7 +50,7 @@
 #    error "unsupported ARM architecture"
 #   endif
 #  else
-#   if  defined(__ARM_ARCH)
+#   if defined(__ARM_ARCH)
 #    define __ARM_ARCH__ __ARM_ARCH
 #   endif
 #  endif