Index: /trunk/src/VBox/Devices/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Devices/Makefile.kmk	(revision 61899)
+++ /trunk/src/VBox/Devices/Makefile.kmk	(revision 61900)
@@ -834,5 +834,5 @@
 	$(QUIET)$(VBOX_IASLCMD) -tc -vs -p $@ $<
 	$(QUIET)$(MV) -f $@ $@.tmp
-	$(QUIET)$(SED) "s/AmlCode/AmlCodeSsdtStandard/g" \
+	$(QUIET)$(SED) -e "s/AmlCode/AmlCodeSsdtStandard/g" \
 		--output $@ $@.tmp
 	$(QUIET)$(RM) -f $@.tmp
@@ -845,9 +845,9 @@
 	$(QUIET)$(RM) -f $@ $@.tmp $@.pre
 	$(QUIET)$(TOOL_$(VBOX_GCC_TOOL)_CC) -E -P -x c -o $@.pre $<
-	$(QUIET)$(SED) "s/<NL>/\n/g" \
+	$(QUIET)$(SED) -e "s/<NL>/\n/g" \
 		--output $@.pre1 $@.pre
 	$(QUIET)$(VBOX_IASLCMD) -tc -vs -p $@ $@.pre1
 	$(QUIET)$(MV) -f $@ $@.tmp
-	$(QUIET)$(SED) "s/AmlCode/AmlCodeSsdtCpuHotPlug/g" \
+	$(QUIET)$(SED) -e "s/AmlCode/AmlCodeSsdtCpuHotPlug/g" \
 		--output $@ $@.tmp
 	$(QUIET)$(RM) -f $@.tmp $@.pre $@.pre1