diff --git a/lib/hcrypto/version-script.map b/lib/hcrypto/version-script.map
index dc9709b4e..4ba27d359 100644
--- a/lib/hcrypto/version-script.map
+++ b/lib/hcrypto/version-script.map
@@ -273,6 +273,7 @@ HEIMDAL_CRYPTO_1.0 {
 		hc_SHA256_Update;
 		hc_UI_UTIL_read_pw_string;
 		hc_UI_UTIL_read_pw_string;
+		hc_i2d_DHparams;
 		hc_d2i_RSAPrivateKey;
 		hc_i2d_RSAPrivateKey;
 		hc_i2d_RSAPublicKey;