diff --git a/contrib/slapd-modules/ppm/Makefile b/contrib/slapd-modules/ppm/Makefile
index fd21596ed4..7b6efaddd5 100644
--- a/contrib/slapd-modules/ppm/Makefile
+++ b/contrib/slapd-modules/ppm/Makefile
@@ -59,7 +59,7 @@ TEST=ppm_test
 EXAMPLE=ppm.example
 TESTS=./unit_tests.sh
 
-MANDOC=ppm.5
+MANDOC=slapm-ppm.5
 MDDOC=ppm.md
 
 all: 	ppm $(TEST)
@@ -79,7 +79,7 @@ install: ppm
 		$(LIBTOOL) --mode=install cp $$p $(DESTDIR)/$(moduledir) ; \
 	done
 	$(INSTALL) -m 644 $(EXAMPLE) $(DESTDIR)$(sysconfdir)/
-	$(INSTALL) -m 644 $(MANDOC) $(man5dir)/
+	$(INSTALL) -m 644 $(MANDOC) $(DESTDIR)$(man5dir)/
 #	$(INSTALL) -m 755 $(TEST) $(libdir)
 
 .PHONY: clean
diff --git a/contrib/slapd-modules/ppm/ppm.5 b/contrib/slapd-modules/ppm/slapm-ppm.5
similarity index 100%
rename from contrib/slapd-modules/ppm/ppm.5
rename to contrib/slapd-modules/ppm/slapm-ppm.5