diff --git a/cmd/arc_summary/Makefile.am b/cmd/arc_summary/Makefile.am
index a83edffadc..7d83624d66 100644
--- a/cmd/arc_summary/Makefile.am
+++ b/cmd/arc_summary/Makefile.am
@@ -4,9 +4,7 @@ if USING_PYTHON_2
 dist_bin_SCRIPTS = arc_summary2
 install-exec-hook:
 	mv $(DESTDIR)$(bindir)/arc_summary2 $(DESTDIR)$(bindir)/arc_summary
-endif
-
-if USING_PYTHON_3
+else
 dist_bin_SCRIPTS = arc_summary3
 install-exec-hook:
 	mv $(DESTDIR)$(bindir)/arc_summary3 $(DESTDIR)$(bindir)/arc_summary