diff --git a/src/build/Common.gmake b/src/build/Common.gmake
index e7d3c9d79f640b3427124fbf7af2c06fd684723a..46503f0af55e2bd61ed8609fe113f6adf1c7d522 100644
--- a/src/build/Common.gmake
+++ b/src/build/Common.gmake
@@ -451,7 +451,7 @@ endif
 ifdef DEBUG
  CFLAGS	+=	-ggdb
  CFLAGS	+=	-D_DEBUG
- CFLAGS +=	-Wall -Wno-char-subscripts
+ CFLAGS +=	-Wall -Wno-char-subscripts -Wno-format-truncation
 else # RELEASE
  # -finline-functions (used to) break the baja build badly.
  # This also meant that -O3 wouldn't work either.