diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 59425e157df3b..d7245cf802617 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -88,6 +88,9 @@ ENTRY(startup_32)
 	addl	$4095, %ebx
 	andl	$~4095, %ebx
 
+	/* Set up the stack */
+	leal	boot_stack_end(%ebx), %esp
+
 /*
  * Copy the compressed kernel to the end of our buffer
  * where decompression in place becomes safe.
@@ -122,7 +125,7 @@ ENDPROC(startup_32)
 relocated:
 
 /*
- * Clear BSS
+ * Clear BSS (stack is currently empty)
  */
 	xorl	%eax, %eax
 	leal	_bss(%ebx), %edi
@@ -131,11 +134,6 @@ relocated:
 	cld
 	rep	stosb
 
-/*
- * Setup the stack for the decompressor
- */
-	leal	boot_stack_end(%ebx), %esp
-
 /*
  * Do the decompression, and jump to the new kernel..
  */
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 5bc9052615b6d..a0b18426069a1 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -249,6 +249,13 @@ ENTRY(startup_64)
 	addq	$(32768 + 18 + 4095), %rbx
 	andq	$~4095, %rbx
 
+	/* Set up the stack */
+	leaq	boot_stack_end(%rbx), %rsp
+
+	/* Zero EFLAGS */
+	pushq	$0
+	popfq
+
 /*
  * Copy the compressed kernel to the end of our buffer
  * where decompression in place becomes safe.
@@ -273,7 +280,7 @@ ENTRY(startup_64)
 relocated:
 
 /*
- * Clear BSS
+ * Clear BSS (stack is currently empty)
  */
 	xorq	%rax, %rax
 	leaq    _bss(%rbx), %rdi
@@ -282,13 +289,6 @@ relocated:
 	cld
 	rep	stosb
 
-	/* Setup the stack */
-	leaq	boot_stack_end(%rip), %rsp
-
-	/* zero EFLAGS after setting rsp */
-	pushq	$0
-	popfq
-
 /*
  * Do the decompression, and jump to the new kernel..
  */