diff --git a/include/mimalloc/prim.h b/include/mimalloc/prim.h
index f8bf948e..56715df4 100644
--- a/include/mimalloc/prim.h
+++ b/include/mimalloc/prim.h
@@ -138,9 +138,9 @@ void _mi_prim_thread_associate_default_heap(mi_heap_t* heap);
 // but unfortunately we can not detect support reliably (see issue #883)
 // We also use it on Apple OS as we use a TLS slot for the default heap there.
 #if defined(__GNUC__) && ( \
-           (defined(__GLIBC__)   && (defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__))) \
+           (defined(__GLIBC__)   && (defined(__x86_64__) || defined(__i386__) || (defined(__arm__) && __ARM_ARCH >= 7) || defined(__aarch64__))) \
         || (defined(__APPLE__)   && (defined(__x86_64__) || defined(__aarch64__) || defined(__POWERPC__))) \
-        || (defined(__BIONIC__)  && (defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__))) \
+        || (defined(__BIONIC__)  && (defined(__x86_64__) || defined(__i386__) || (defined(__arm__) && __ARM_ARCH >= 7) || defined(__aarch64__))) \
         || (defined(__FreeBSD__) && (defined(__x86_64__) || defined(__i386__) || defined(__aarch64__))) \
         || (defined(__OpenBSD__) && (defined(__x86_64__) || defined(__i386__) || defined(__aarch64__))) \
       )