diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 2d6d5a28c3bf..c55da2833fe8 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -129,8 +129,8 @@ ifdef CONFIG_X86_X32
 	x32_ld_ok := $(call try-run,\
 			/bin/echo -e '1: .quad 1b' | \
 			$(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" - && \
-			$(OBJCOPY) -O elf32-x86-64 "$$TMP" "$$TMPO" && \
-			$(LD) -m elf32_x86_64 "$$TMPO" -o "$$TMP",y,n)
+			$(OBJCOPY) -O elf32-x86-64 "$$TMP" "$$TMP.o" && \
+			$(LD) -m elf32_x86_64 "$$TMP.o" -o "$$TMP",y,n)
         ifeq ($(x32_ld_ok),y)
                 CONFIG_X86_X32_ABI := y
                 KBUILD_AFLAGS += -DCONFIG_X86_X32_ABI
diff --git a/scripts/Makefile.compiler b/scripts/Makefile.compiler
index 3f2f3665216f..86ecd2ac874c 100644
--- a/scripts/Makefile.compiler
+++ b/scripts/Makefile.compiler
@@ -21,7 +21,6 @@ TMPOUT = $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_$$$$
 # automatically cleaned up.
 try-run = $(shell set -e;		\
 	TMP=$(TMPOUT)/tmp;		\
-	TMPO=$(TMPOUT)/tmp.o;		\
 	mkdir -p $(TMPOUT);		\
 	trap "rm -rf $(TMPOUT)" EXIT;	\
 	if ($(1)) >/dev/null 2>&1;	\