diff --git a/ninja/configure.py b/ninja/configure.py
index 07a2726d08d343e2f377650fc60f2d88faf75027..28fae1aef6d9f7abdca135d2ab2163c01796b061 100755
--- a/ninja/configure.py
+++ b/ninja/configure.py
@@ -302,7 +302,7 @@ if platform.is_msvc():
               '/Zi',  # Create pdb with debug info.
               '/W4',  # Highest warning level.
               '/WX',  # Warnings as errors.
-              '/wd4530', '/wd4100', '/wd4706',
+              '/wd4530', '/wd4100', '/wd4706', '/wd4244',
               '/wd4512', '/wd4800', '/wd4702', '/wd4819',
               # Disable warnings about constant conditional expressions.
               '/wd4127',