diff --git a/tools/krb5-config.in b/tools/krb5-config.in
index c52fa2500..8bbbf80b5 100644
--- a/tools/krb5-config.in
+++ b/tools/krb5-config.in
@@ -137,7 +137,7 @@ if test "$do_libs" = "yes"; then
     esac
     lib_flags="$lib_flags -lkrb5 @LIB_pkinit@ -lcom_err"
     lib_flags="$lib_flags @LIB_hcrypto_appl@ -lasn1 -lwind -lroken"
-    lib_flags="$lib_flags @LIB_crypt@ @LIB_dlopen@"
+    lib_flags="$lib_flags @LIB_crypt@ @PTHREAD_LIBADD@ @LIB_dlopen@"
     lib_flags="$lib_flags @LIB_door_create@ @LIBS@"
     echo $lib_flags
 fi