diff --git a/modules/rostests/apitests/crt/strlen.c b/modules/rostests/apitests/crt/strlen.c
index 7f0c9d7e6fe..c8103f5d891 100644
--- a/modules/rostests/apitests/crt/strlen.c
+++ b/modules/rostests/apitests/crt/strlen.c
@@ -48,7 +48,12 @@ Test_strlen(PFN_STRLEN pstrlen)
     eflags = __readeflags();
     __writeeflags(eflags | EFLAGS_DF);
     len = pstrlen(teststr + 4);
-    ok((__readeflags() & EFLAGS_DF) != 0, "Direction flag in ELFAGS was changed.");
+
+#ifdef _M_AMD64
+    ok((__readeflags() & EFLAGS_DF) != 0, "Direction flag in ELFAGS was changed.\n");
+#else
+    ok((__readeflags() & EFLAGS_DF) == 0, "Direction flag in ELFAGS was not changed.\n");
+#endif
     __writeeflags(eflags);
 
     /* Only test this for the exported versions, intrinsics might do it