diff -Nurd libircclient-1.10.orig/src/Makefile.in libircclient-1.10/src/Makefile.in
--- libircclient-1.10.orig/src/Makefile.in	2021-06-24 07:30:34.000000000 -0400
+++ libircclient-1.10/src/Makefile.in	2021-06-24 09:07:19.000000000 -0400
@@ -6,13 +6,15 @@
 INCLUDES=-I../include
 DESTDIR=
 APIVERSION = 1
+prefix=@prefix@
+exec_prefix=@exec_prefix@
 
 OBJS = libircclient.o
 
 all:	@TARGET@
 
 static:	libircclient.a
-shared: libircclient.so
+shared: libircclient.dylib
 shared_mingw: libircclient.dll
 
 install:
@@ -23,11 +25,11 @@
 	cp ../include/libirc_events.h  $(DESTDIR)@prefix@/include/libirc_events.h 
 	cp ../include/libirc_options.h  $(DESTDIR)@prefix@/include/libirc_options.h 
 	cp ../include/libirc_rfcnumeric.h  $(DESTDIR)@prefix@/include/libirc_rfcnumeric.h 
-	cp libircclient.so $(DESTDIR)@libdir@/libircclient.so.$(APIVERSION)
-	ln -fs libircclient.so.$(APIVERSION) $(DESTDIR)@libdir@/libircclient.so
+	cp libircclient.dylib $(DESTDIR)@libdir@/libircclient.$(APIVERSION).dylib
+	ln -fs libircclient.$(APIVERSION).dylib $(DESTDIR)@libdir@/libircclient.dylib
 
-libircclient.so: libircclient.o
-	$(CC) -shared -s -Wl,-soname,libircclient.so.$(APIVERSION) -o libircclient.so libircclient.o @LDFLAGS@ @LIBS@
+libircclient.dylib: libircclient.o
+	$(CC) -dynamiclib -install_name @libdir@/libircclient.$(APIVERSION).dylib -o libircclient.dylib libircclient.o @LDFLAGS@ @LIBS@
 
 libircclient.dll: libircclient.o
 	$(CC) -shared -s -o libircclient.dll -Wl,-out-implib,libircclient.lib libircclient.o libircclient.def -lkernel32 -lwsock32 @LIBS@
diff -Nurd libircclient-1.10.orig/src/libircclient.c libircclient-1.10/src/libircclient.c
--- libircclient-1.10.orig/src/libircclient.c	2021-06-24 07:30:34.000000000 -0400
+++ libircclient-1.10/src/libircclient.c	2021-06-24 07:44:35.000000000 -0400
@@ -852,7 +852,7 @@
 		if (saddr.ss_family == AF_INET)
 			memcpy (&session->local_addr, &((struct sockaddr_in *)&laddr)->sin_addr, sizeof(struct in_addr));
 		else
-			memcpy (&session->local_addr, &((struct sockaddr_in6 *)&laddr)->sin6_addr, sizeof(struct in6_addr));
+			memcpy (&session->local_addr6, &((struct sockaddr_in6 *)&laddr)->sin6_addr, sizeof(struct in6_addr));
 
 #if defined (ENABLE_DEBUG)
 		if ( IS_DEBUG_ENABLED(session) )