diff --git a/Lib/distutils/log.py b/Lib/distutils/log.py
index 0442033..01420da 100644
--- a/Lib/distutils/log.py
+++ b/Lib/distutils/log.py
@@ -53,9 +53,9 @@
     _global_log.threshold = level
 
 def set_verbosity(v):
-    if v == 0:
+    if v <= 0:
         set_threshold(WARN)
-    if v == 1:
+    elif v == 1:
         set_threshold(INFO)
-    if v == 2:
+    elif v >= 2:
         set_threshold(DEBUG)