diff --git a/include/crypto.h b/include/crypto.h
index 44cc3f46b..0b5ee48c9 100644
--- a/include/crypto.h
+++ b/include/crypto.h
@@ -212,6 +212,7 @@ INLINE void crypto_params_sdes_queue_copy(GQueue *dst, const GQueue *src) {
 		struct crypto_params_sdes *cps = l->data;
 		struct crypto_params_sdes *cpy = g_slice_alloc(sizeof(*cpy));
 		*cpy = *cps;
+		cpy->params.mki = NULL;
 		crypto_params_copy(&cpy->params, &cps->params, 1);
 		g_queue_push_tail(dst, cpy);
 	}
diff --git a/t/auto-daemon-tests.pl b/t/auto-daemon-tests.pl
index 03e048b4c..c73f65a88 100755
--- a/t/auto-daemon-tests.pl
+++ b/t/auto-daemon-tests.pl
@@ -15087,4 +15087,75 @@ m=application 0 *
 SDP
 
 
+
+new_call;
+
+offer('MKI re-invite (GH #1474)', { DTLS => 'off' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:AIdPArobTMNWc5AHzFZhl31S/mYjUdLFjBHiHD2r|1:32
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:l+ZCWtSLM0RvUvGhovOXXNxnJve4FOfL9ervJeYb|2:32
+----------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:AIdPArobTMNWc5AHzFZhl31S/mYjUdLFjBHiHD2r|1:32
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:l+ZCWtSLM0RvUvGhovOXXNxnJve4FOfL9ervJeYb|2:32
+a=crypto:3 AEAD_AES_256_GCM inline:CRYPTO256S
+a=crypto:4 AEAD_AES_128_GCM inline:CRYPTO128S
+a=crypto:5 AES_256_CM_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:6 AES_256_CM_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:7 AES_192_CM_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:8 AES_192_CM_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:9 F8_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:10 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:11 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:12 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+offer('MKI re-invite (GH #1474)', { DTLS => 'off' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:AIdPArobTMNWc5AHzFZhl31S/mYjUdLFjBHiHD2r|1:32
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:l+ZCWtSLM0RvUvGhovOXXNxnJve4FOfL9ervJeYb|2:32
+----------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:AIdPArobTMNWc5AHzFZhl31S/mYjUdLFjBHiHD2r|1:32
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:l+ZCWtSLM0RvUvGhovOXXNxnJve4FOfL9ervJeYb|2:32
+a=crypto:3 AEAD_AES_256_GCM inline:CRYPTO256S
+a=crypto:4 AEAD_AES_128_GCM inline:CRYPTO128S
+a=crypto:5 AES_256_CM_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:6 AES_256_CM_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:7 AES_192_CM_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:8 AES_192_CM_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:9 F8_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:10 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:11 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:12 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+
+
 done_testing();