diff --git a/.gitignore b/.gitignore
index 994d67402f0..b19b434948c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,6 +66,7 @@ src/qt/bitcoin-qt.includes
 *.a
 *.pb.cc
 *.pb.h
+*.dat
 
 *.log
 *.trs