diff --git a/src/compilersupport_p.h b/src/compilersupport_p.h
index 08798016..0423f433 100644
--- a/src/compilersupport_p.h
+++ b/src/compilersupport_p.h
@@ -156,7 +156,7 @@
     (defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && BYTE_ORDER == LITTLE_ENDIAN) || \
     defined(_LITTLE_ENDIAN) || defined(__LITTLE_ENDIAN__) || defined(__ARMEL__) || defined(__MIPSEL__) || \
     defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) || defined(__amd64)
-#      define ntohll(x)       ((ntohl((uint32_t)(x)) * UINT64_C(0x100000000)) + (ntohl((x) >> 32)))
+#      define ntohll(x)       ((cbor_ntohl((uint32_t)(x)) * UINT64_C(0x100000000)) + (cbor_ntohl((x) >> 32)))
 #      define htonll          ntohll
 #    else
 #      error "Unable to determine byte order!"
@@ -202,4 +202,3 @@ static inline bool add_check_overflow(size_t v1, size_t v2, size_t *r)
 }
 
 #endif /* COMPILERSUPPORT_H */
-