diff --git a/opus/CMakeLists.txt b/opus/CMakeLists.txt
--- a/opus/CMakeLists.txt
+++ b/opus/CMakeLists.txt
@@ -598,6 +598,8 @@
     if(OPUS_PRESUME_NEON)
       target_compile_definitions(opus
                                  PRIVATE
+                                 OPUS_ARM_MAY_HAVE_NEON
+                                 OPUS_ARM_MAY_HAVE_NEON_INTR
                                  OPUS_ARM_PRESUME_NEON
                                  OPUS_ARM_PRESUME_NEON_INTR)
     endif()