diff --git a/Makefile b/Makefile
index 2f2839e..cafc020 100644
--- a/Makefile
+++ b/Makefile
@@ -106,7 +106,7 @@ NAME_ykksm-gen-keys = 'Tool to generate keys on the YKKSM-KEYPROV format.'
 NAME_ykksm-import = 'Tool to import key data on the YKKSM-KEYPROV format.'
 
 %.1: %
-	help2man -N --name=$(NAME_$*) --version-string=1 ./$* > $@
+	help2man -N --name=$(NAME_$*) --version-string=$(VERSION) ./$* > $@
 
 man: $(MANS)