diff --git a/arch/x86/src/Makefile b/arch/x86/src/Makefile
index 16fbc8206c1..a2d07ac0359 100644
--- a/arch/x86/src/Makefile
+++ b/arch/x86/src/Makefile
@@ -148,10 +148,10 @@ board/libboard$(LIBEXT):
 
 nuttx$(EXEEXT): $(HEAD_OBJ) board/libboard$(LIBEXT)
 	@echo "LD: nuttx$(EXEEXT)"
-	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) -o $(NUTTX)$(EXEEXT) $(HEAD_OBJ) $(EXTRA_OBJS) \
+	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) -o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
 		$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LIBGCC) $(LDENDGROUP)
 ifneq ($(CONFIG_WINDOWS_NATIVE),y)
-	$(Q) $(NM) $(NUTTX)$(EXEEXT) | \
+	$(Q) $(NM) $(NUTTX) | \
 	grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 	sort > $(TOPDIR)/System.map
 endif