diff --git a/wintest/test-s3.py b/wintest/test-s3.py
index e6dbfc75f1f..56fd8f9514e 100755
--- a/wintest/test-s3.py
+++ b/wintest/test-s3.py
@@ -187,7 +187,7 @@ def test_s3(t):
     '''basic s3 testing'''
 
     t.setvar("SAMBA_VERSION", "Version 4")
-    t.setvar("smbclient", "bin/smbclient")
+    t.setvar("smbclient", "bin/smbclient4")
     t.check_prerequesites()
     set_libpath(t)
 
diff --git a/wintest/test-s4-howto.py b/wintest/test-s4-howto.py
index 32b2c2fc7f4..91ae0a245b5 100755
--- a/wintest/test-s4-howto.py
+++ b/wintest/test-s4-howto.py
@@ -552,7 +552,7 @@ def test_howto(t):
     '''test the Samba4 howto'''
 
     t.setvar("SAMBA_VERSION", "Version 4")
-    t.setvar("smbclient", "bin/smbclient")
+    t.setvar("smbclient", "bin/smbclient4")
     t.check_prerequesites()
 
     # we don't need fsync safety in these tests