diff --git a/string/test-strcmp.c b/string/test-strcmp.c
index b8d85dc..eac3b5b 100644
--- a/string/test-strcmp.c
+++ b/string/test-strcmp.c
@@ -276,6 +276,15 @@ check (void)
   STRCPY(s1, L("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrs"));
   STRCPY(s2, L("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkLMNOPQRSTUV"));
 
+  s1[0] = 1;
+  s2[0] = 1;
+  s1[1] = 1;
+  s2[1] = 1;
+  s1[2] = -1;
+  s2[2] = 3;
+  s1[3] = 0;
+  s2[2] = -1;
+
   size_t l1 = STRLEN (s1);
   size_t l2 = STRLEN (s2);
   for (size_t i1 = 0; i1 < l1; i1++)
diff --git a/sysdeps/i386/i686/multiarch/wcscmp-sse2.S b/sysdeps/i386/i686/multiarch/wcscmp-sse2.S
index 404a9a4..1cf881e 100644
--- a/sysdeps/i386/i686/multiarch/wcscmp-sse2.S
+++ b/sysdeps/i386/i686/multiarch/wcscmp-sse2.S
@@ -971,7 +971,7 @@ L(return):
 	.p2align 4
 L(nequal):
 	mov	$1, %eax
-	ja	L(nequal_bigger)
+	jg	L(nequal_bigger)
 	neg	%eax
 
 L(nequal_bigger):
@@ -988,7 +988,7 @@ L(equal):
 	.p2align 4
 L(neq):
 	mov	$1, %eax
-	ja	L(neq_bigger)
+	jg	L(neq_bigger)
 	neg	%eax
 
 L(neq_bigger):
diff --git a/sysdeps/x86_64/wcscmp.S b/sysdeps/x86_64/wcscmp.S
index 991ecb2..a92ab2b 100644
--- a/sysdeps/x86_64/wcscmp.S
+++ b/sysdeps/x86_64/wcscmp.S
@@ -916,7 +916,7 @@ L(return):
 	.p2align 4
 L(nequal):
 	mov	$1, %eax
-	ja	L(nequal_bigger)
+	jg	L(nequal_bigger)
 	neg	%eax
 
 L(nequal_bigger):