diff --git a/.gitignore b/.gitignore
index b40d932889..84eee03c30 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ bundle/*
 config.*
 objs/*
 src/rev.cpp
+src/os/windows/ottdres.rc
diff --git a/.hgignore b/.hgignore
index de3910ff91..5ea0fd0f52 100644
--- a/.hgignore
+++ b/.hgignore
@@ -9,3 +9,4 @@ Makefile.am
 media/openttd.desktop*
 objs/*
 src/rev.cpp
+src/os/windows/ottdres.rc