diff --git a/source/Makefile.in b/source/Makefile.in
index f37a94e..b45dbe6 100644
--- a/source/Makefile.in
+++ b/source/Makefile.in
@@ -1299,7 +1299,7 @@ bin/winbindd@EXEEXT@: proto_exists $(WINBINDD_OBJ) @BUILD_POPT@ bin/.dummy
 bin/pam_winbind.@SHLIBEXT@: $(PAM_WINBIND_OBJ) bin/.dummy
 	@echo "Linking shared library $@"
 	@$(SHLD) $(LDSHFLAGS) -o $@ $(PAM_WINBIND_OBJ) -lpam @INIPARSERLIBS@ $(GPLIBS) \
-		@SONAMEFLAG@`basename $@`
+		@PAM_WINBIND_EXTRA_LIBS@ @SONAMEFLAG@`basename $@`
 
 bin/builtin.@SHLIBEXT@: proto_exists $(AUTH_BUILTIN_OBJ)
 	@echo "Building plugin $@"
diff --git a/source/configure.in b/source/configure.in
index 9c31de4..16a841c 100644
--- a/source/configure.in
+++ b/source/configure.in
@@ -5808,6 +5808,7 @@ case "$host_os" in
 		WINBIND_NSS_EXTRA_OBJS="nsswitch/winbind_nss_solaris.o \
 		    nsswitch/winbind_nss_linux.o"
 		WINBIND_NSS_EXTRA_LIBS="-lsocket"
+		PAM_WINBIND_EXTRA_LIBS="-lsocket"
 		;;
 	*hpux11*)
 		WINBIND_NSS_EXTRA_OBJS="nsswitch/winbind_nss_solaris.o"
@@ -5832,6 +5833,7 @@ AC_SUBST(WINBIND_NSS_LDSHFLAGS)
 AC_SUBST(WINBIND_NSS_EXTRA_OBJS)
 AC_SUBST(WINBIND_NSS_EXTRA_LIBS)
 AC_SUBST(NSSSONAMEVERSIONSUFFIX)
+AC_SUBST(PAM_WINBIND_EXTRA_LIBS)
 
 AC_SUBST(SMB_KRB5_LOCATOR)