diff --git a/sys/amd64/amd64/apic_vector.S b/sys/amd64/amd64/apic_vector.S
index 569ed501a468..f8e0321652d5 100644
--- a/sys/amd64/amd64/apic_vector.S
+++ b/sys/amd64/amd64/apic_vector.S
@@ -351,7 +351,7 @@ Xinvlrng:
 	movl	smp_tlb_addr2, %eax
 1:	invlpg	(%edx)			/* invalidate single page */
 	addl	$PAGE_SIZE, %edx
-	cmpl	%edx, %eax
+	cmpl	%eax, %edx
 	jb	1b
 
 	movl	$0, lapic+LA_EOI	/* End Of Interrupt to APIC */
diff --git a/sys/i386/i386/apic_vector.s b/sys/i386/i386/apic_vector.s
index 569ed501a468..f8e0321652d5 100644
--- a/sys/i386/i386/apic_vector.s
+++ b/sys/i386/i386/apic_vector.s
@@ -351,7 +351,7 @@ Xinvlrng:
 	movl	smp_tlb_addr2, %eax
 1:	invlpg	(%edx)			/* invalidate single page */
 	addl	$PAGE_SIZE, %edx
-	cmpl	%edx, %eax
+	cmpl	%eax, %edx
 	jb	1b
 
 	movl	$0, lapic+LA_EOI	/* End Of Interrupt to APIC */
diff --git a/sys/i386/isa/apic_vector.s b/sys/i386/isa/apic_vector.s
index 569ed501a468..f8e0321652d5 100644
--- a/sys/i386/isa/apic_vector.s
+++ b/sys/i386/isa/apic_vector.s
@@ -351,7 +351,7 @@ Xinvlrng:
 	movl	smp_tlb_addr2, %eax
 1:	invlpg	(%edx)			/* invalidate single page */
 	addl	$PAGE_SIZE, %edx
-	cmpl	%edx, %eax
+	cmpl	%eax, %edx
 	jb	1b
 
 	movl	$0, lapic+LA_EOI	/* End Of Interrupt to APIC */