diff --git a/man/Makefile.am b/man/Makefile.am
index 202f61c..871f814 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -1,2 +1,5 @@
-man_MANS = readpst.1 pst2ldif.1 lspst.1 pst2dii.1 outlook.pst.5
+man_MANS = readpst.1 pst2ldif.1 lspst.1 outlook.pst.5
+if BUILD_DII
+    man_MANS += pst2dii.1
+endif
 EXTRA_DIST = $(man_MANS)