diff --git a/configure b/configure
index 0d57d3b..6b0a5d9 100755
--- a/configure
+++ b/configure
@@ -4704,6 +4704,8 @@
 _ACEOF
 
    antispam_libs="$antispam_libs -lzip"
+else
+   echo "zip library: no"
 fi
 
 if test "$have_tcpwrappers" = "yes"; then
diff --git a/configure.in b/configure.in
index a899997..e148d8c 100644
--- a/configure.in
+++ b/configure.in
@@ -426,6 +426,8 @@
    echo "zip library: yes"
    AC_DEFINE_UNQUOTED(HAVE_ZIP, 1, [libzip support])
    antispam_libs="$antispam_libs -lzip"
+else
+   echo "zip library: no"
 fi
 
 if test "$have_tcpwrappers" = "yes"; then
diff --git a/src/misc.c b/src/misc.c
index d934b40..ec96113 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -63,6 +63,10 @@
       printf("%s ", HAVE_TNEF);
    #endif
 
+   #ifdef HAVE_ZIP
+      printf("libzip ");
+   #endif
+
    printf("\n\n");
 }