diff --git a/_pytest/assertion/newinterpret.py b/_pytest/assertion/newinterpret.py
index 2696abda7..de03eaf8b 100644
--- a/_pytest/assertion/newinterpret.py
+++ b/_pytest/assertion/newinterpret.py
@@ -53,7 +53,7 @@ def interpret(source, frame, should_fail=False):
     if should_fail:
         return ("(assertion failed, but when it was re-run for "
                 "printing intermediate values, it did not fail.  Suggestions: "
-                "compute assert expression before the assert or use --no-assert)")
+                "compute assert expression before the assert or use --assert=plain)")
 
 def run(offending_line, frame=None):
     if frame is None:
diff --git a/_pytest/assertion/oldinterpret.py b/_pytest/assertion/oldinterpret.py
index e10987141..3ca12ec2b 100644
--- a/_pytest/assertion/oldinterpret.py
+++ b/_pytest/assertion/oldinterpret.py
@@ -482,7 +482,7 @@ def interpret(source, frame, should_fail=False):
     if should_fail:
         return ("(assertion failed, but when it was re-run for "
                 "printing intermediate values, it did not fail.  Suggestions: "
-                "compute assert expression before the assert or use --nomagic)")
+                "compute assert expression before the assert or use --assert=plain)")
     else:
         return None