--- a/Makefile.am
+++ b/Makefile.am
@@ -9,5 +9,5 @@
 
 man_MANS = spine.1
 
-spine.1: spine.c 
+spine.1: $(sbin_PROGRAMS)
 	$(HELP2MAN) --output=$@ --name='Data Collector for Cacti' --no-info --version-option='--version' ./spine