diff --git a/arch/sim/src/Makefile b/arch/sim/src/Makefile
index a7a4c12a72..42863665c2 100644
--- a/arch/sim/src/Makefile
+++ b/arch/sim/src/Makefile
@@ -289,7 +289,7 @@ nuttx$(EXEEXT): libarch$(LIBEXT) board/libboard$(LIBEXT) $(HEADOBJ) $(LINKOBJS)
 	$(Q) echo "LD:  nuttx$(EXEEXT)"
 	$(Q) $(LD) -r $(LDLINKFLAGS) $(RELPATHS) $(EXTRA_LIBPATHS) -o nuttx.rel $(REQUIREDOBJS) $(LDSTARTGROUP) $(RELLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
 ifeq ("$(shell $(CC) --version | grep clang)","")
-   # none clang based native compilers need opjcopy to build simulation
+	# none clang based native compilers need opjcopy to build simulation
 	$(Q) $(OBJCOPY) --redefine-syms=nuttx-names.dat nuttx.rel
 	$(Q) $(CC) $(CCLINKFLAGS) -Wl,-verbose 2>&1 | \
 	     sed -e '/====/,/====/!d;//d' -e 's/__executable_start/_stext/g' -e 's/__init_array_start/_sinit/g' \