diff --git a/kernel/x86_64/nrm2.S b/kernel/x86_64/nrm2.S
index b79ac2adb..61cf8c452 100644
--- a/kernel/x86_64/nrm2.S
+++ b/kernel/x86_64/nrm2.S
@@ -58,7 +58,7 @@
 	testq	M, M
 	jle	.L999
 	testq	INCX, INCX
-	jle	.L999
+	je	.L999
 
 	salq	$BASE_SHIFT, INCX
 
diff --git a/kernel/x86_64/nrm2_sse.S b/kernel/x86_64/nrm2_sse.S
index 33b1ee496..c1f3a45fc 100644
--- a/kernel/x86_64/nrm2_sse.S
+++ b/kernel/x86_64/nrm2_sse.S
@@ -57,7 +57,7 @@
 	jle	.L999
 	pxor	%xmm1, %xmm1
 	testq	INCX, INCX
-	jle	.L999
+	je	.L999
 
 	pxor	%xmm2, %xmm2
 	leaq	(, INCX, SIZE), INCX
diff --git a/kernel/x86_64/znrm2.S b/kernel/x86_64/znrm2.S
index 0d2aa3480..748fde310 100644
--- a/kernel/x86_64/znrm2.S
+++ b/kernel/x86_64/znrm2.S
@@ -58,7 +58,7 @@
 	testq	M, M
 	jle	.L999
 	testq	INCX, INCX
-	jle	.L999
+	je	.L999
 
 	salq	$ZBASE_SHIFT, INCX
 
diff --git a/kernel/x86_64/znrm2_sse.S b/kernel/x86_64/znrm2_sse.S
index f78b83f7e..2274f2e98 100644
--- a/kernel/x86_64/znrm2_sse.S
+++ b/kernel/x86_64/znrm2_sse.S
@@ -58,7 +58,7 @@
 	jle	.L999
 	pxor	%xmm1, %xmm1
 	testq	INCX, INCX
-	jle	.L999
+	je	.L999
 
 	xorq	FLAG, FLAG