diff --git a/man/Makefile b/man/Makefile
index b7d8269f81501e7e11aa44e945d347f840072217..c3a13fb9188907d45ab1ea44eb83be46292907ed 100644
--- a/man/Makefile
+++ b/man/Makefile
@@ -6,8 +6,10 @@ TARGETS = ${SOURCES:.pre=.1}
 all: ${TARGETS}
 
 .pre.1:
-	sed 's/\$$VERSION\$$/${VERSION}/g' < ${@:.1=.pre} > $@
-	sed 's/\$$DATE\$$/'"$$(date '+%B %d, %Y')"/g < ${@:.1=.pre} > $@
+	sed \
+	-e 's/\$$VERSION\$$/${VERSION}/g' \
+	-e 's/\$$DATE\$$/'"$$(date '+%B %d, %Y')"/g \
+	< ${@:.1=.pre} > $@
 
 clean:
 	rm *.1