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-rw-r--r--src/ngircd/ngircd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ngircd/ngircd.c b/src/ngircd/ngircd.c
index 5637cb25..9c274097 100644
--- a/src/ngircd/ngircd.c
+++ b/src/ngircd/ngircd.c
@@ -297,7 +297,7 @@ main(int argc, const char *argv[])
 			 PROTOVER, PROTOIRCPLUS, PACKAGE_NAME, PACKAGE_VERSION,
 			 IRCPLUSFLAGS);
 #ifdef ZLIB
-		strcat(NGIRCd_ProtoID, "Z");
+		strlcat(NGIRCd_ProtoID, "Z", sizeof NGIRCd_ProtoID);
 #endif
 		if (Conf_OperCanMode)
 			strcat(NGIRCd_ProtoID, "o");