diff --git a/Makefile.am b/Makefile.am
index 823b7d02..9c54cef0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -627,7 +627,7 @@ SED_PROCESS = $(AM_V_GEN)$(MKDIR_P) $(dir $@) && $(SED) \
 
 if RUN_RST2MAN
 RST2MAN_PROCESS = $(AM_V_GEN)$(RST2MAN) --strict --no-raw --no-generator \
-			--no-datestamp < $< > $@
+			--no-datestamp $< $@
 else
 RST2MAN_PROCESS = $(AM_V_GEN)test -f $@ || \
 		{ echo "Generated manual page $@ does not exist"; false; }