diff --git a/src/common/crypto.c b/src/common/crypto.c
index da3b80becb..8cf6231921 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -1809,6 +1809,9 @@ crypto_hmac_sha256(char *hmac_out,
 
 /* DH */
 
+/** Our DH 'g' parameter */
+#define DH_GENERATOR 2
+
 /** Shared P parameter for our circuit-crypto DH key exchanges. */
 static BIGNUM *dh_param_p = NULL;
 /** Shared P parameter for our TLS DH key exchanges. */
diff --git a/src/common/crypto.h b/src/common/crypto.h
index bac6db920a..771c49c2d1 100644
--- a/src/common/crypto.h
+++ b/src/common/crypto.h
@@ -29,8 +29,6 @@
 #define PK_BYTES (1024/8)
 /** Length of our DH keys. */
 #define DH_BYTES (1024/8)
-/** Our DH 'g' parameter */
-#define DH_GENERATOR 2
 
 /** Length of a sha1 message digest when encoded in base64 with trailing =
  * signs removed. */