diff --git a/src/libstrongswan/crypto/proposal/proposal_keywords_static.txt b/src/libstrongswan/crypto/proposal/proposal_keywords_static.txt
index 70e79157a..da92409ca 100644
--- a/src/libstrongswan/crypto/proposal/proposal_keywords_static.txt
+++ b/src/libstrongswan/crypto/proposal/proposal_keywords_static.txt
@@ -78,6 +78,7 @@ aes256gcm128,     ENCRYPTION_ALGORITHM, ENCR_AES_GCM_ICV16,      256
 aes128gmac,       ENCRYPTION_ALGORITHM, ENCR_NULL_AUTH_AES_GMAC, 128
 aes192gmac,       ENCRYPTION_ALGORITHM, ENCR_NULL_AUTH_AES_GMAC, 192
 aes256gmac,       ENCRYPTION_ALGORITHM, ENCR_NULL_AUTH_AES_GMAC, 256
+chacha20poly1305, ENCRYPTION_ALGORITHM, ENCR_CHACHA20_POLY1305,  256
 blowfish,         ENCRYPTION_ALGORITHM, ENCR_BLOWFISH,           128
 blowfish128,      ENCRYPTION_ALGORITHM, ENCR_BLOWFISH,           128
 blowfish192,      ENCRYPTION_ALGORITHM, ENCR_BLOWFISH,           192