diff --git a/crypto/crypto.h b/crypto/crypto.h
index 6324e54658fce3c9e099d2ee6f5dfa54c4cf12c1..9a7103112a1d8b7fd1e8753d2c878f7d4c7adcbe 100644
--- a/crypto/crypto.h
+++ b/crypto/crypto.h
@@ -159,6 +159,8 @@ extern "C" {
 /* Adds thread number to the memory checking information */
 #define V_CRYPTO_MDEBUG_THREAD	0x2 /* a bit */
 
+#define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
+
 
 /* predec of the BIO type */
 typedef struct bio_st BIO_dummy;