--- a/sys/modules/ralfw/Makefile.inc
+++ b/sys/modules/ralfw/Makefile.inc
@@ -12,4 +12,4 @@
 FIRMWS=	${_FIRM}:${KMOD}
 
 ${_FIRM}: ${.CURDIR}/../../../contrib/dev/ral/${_FIRM}.uu
-	uudecode -p $? > ${.TARGET}
+	uudecode -o- $? > ${.TARGET}
--- a/sys/modules/mwlfw/Makefile
+++ b/sys/modules/mwlfw/Makefile
@@ -6,9 +6,9 @@
 CLEANFILES+= mw88W8363.fw mwlboot.fw
 
 mw88W8363.fw: ${.CURDIR}/../../contrib/dev/mwl/mw88W8363.fw.uu
-	uudecode -p $? > ${.TARGET}
+	uudecode -o- $? > ${.TARGET}
 
 mwlboot.fw: ${.CURDIR}/../../contrib/dev/mwl/mwlboot.fw.uu
-	uudecode -p $? > ${.TARGET}
+	uudecode -o- $? > ${.TARGET}
 
 .include <bsd.kmod.mk>
--- a/sys/modules/ipwfw/ipw_bss/Makefile
+++ b/sys/modules/ipwfw/ipw_bss/Makefile
@@ -9,7 +9,7 @@
 CLEANFILES=	ipw_bss
 
 ipw_bss: ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3.fw.uu
-	uudecode -p ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>
 
--- a/sys/modules/ipwfw/ipw_ibss/Makefile
+++ b/sys/modules/ipwfw/ipw_ibss/Makefile
@@ -9,7 +9,7 @@
 CLEANFILES=	ipw_ibss
 
 ipw_ibss: ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3-i.fw.uu
-	uudecode -p ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3-i.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3-i.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>
 
--- a/sys/modules/ipwfw/ipw_monitor/Makefile
+++ b/sys/modules/ipwfw/ipw_monitor/Makefile
@@ -9,7 +9,7 @@
 CLEANFILES=	ipw_monitor
 
 ipw_monitor: ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3-p.fw.uu
-	uudecode -p ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3-p.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../../contrib/dev/ipw/ipw2100-1.3-p.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>
 
--- a/sys/modules/iwifw/iwi_bss/Makefile
+++ b/sys/modules/iwifw/iwi_bss/Makefile
@@ -9,7 +9,7 @@
 CLEANFILES=	iwi_bss
 
 iwi_bss: ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-bss.fw.uu
-	uudecode -p ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-bss.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-bss.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>
 
--- a/sys/modules/iwifw/iwi_ibss/Makefile
+++ b/sys/modules/iwifw/iwi_ibss/Makefile
@@ -9,7 +9,7 @@
 CLEANFILES=	iwi_fw
 
 iwi_ibss: ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-ibss.fw.uu
-	uudecode -p ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-ibss.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-ibss.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>
 
--- a/sys/modules/iwifw/iwi_monitor/Makefile
+++ b/sys/modules/iwifw/iwi_monitor/Makefile
@@ -9,7 +9,7 @@
 CLEANFILES=	iwi_monitor
 
 iwi_monitor: ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-sniffer.fw.uu
-	uudecode -p ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-sniffer.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../../contrib/dev/iwi/ipw2200-sniffer.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>
 
--- a/sys/modules/wpifw/Makefile
+++ b/sys/modules/wpifw/Makefile
@@ -8,6 +8,6 @@
 CLEANFILES=	iwlwifi-3945-15.32.2.9.fw
 
 iwlwifi-3945-15.32.2.9.fw: ${.CURDIR}/../../contrib/dev/wpi/iwlwifi-3945-15.32.2.9.fw.uu
-	uudecode -p ${.CURDIR}/../../contrib/dev/wpi/iwlwifi-3945-15.32.2.9.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../contrib/dev/wpi/iwlwifi-3945-15.32.2.9.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>
--- a/sys/modules/iwnfw/Makefile.inc
+++ b/sys/modules/iwnfw/Makefile.inc
@@ -15,4 +15,4 @@
 #FIRMWARE_LICENSE=
 
 ${_FIRM}: ${.CURDIR}/../../../contrib/dev/iwn/${_FIRM}.uu
-	uudecode -p $? > ${.TARGET}
+	uudecode -o- $? > ${.TARGET}
--- a/sys/modules/runfw/Makefile
+++ b/sys/modules/runfw/Makefile
@@ -6,6 +6,6 @@
 CLEANFILES=	runfw
 
 runfw: ${.CURDIR}/../../contrib/dev/run/rt2870.fw.uu
-	uudecode -p ${.CURDIR}/../../contrib/dev/run/rt2870.fw.uu > ${.TARGET}
+	uudecode -o- ${.CURDIR}/../../contrib/dev/run/rt2870.fw.uu > ${.TARGET}
 
 .include <bsd.kmod.mk>