diff --git a/posix/tools/mksystab/.cvsignore b/posix/tools/mksystab/.cvsignore
index 7e878167e8e..bd4f908d5e0 100644
--- a/posix/tools/mksystab/.cvsignore
+++ b/posix/tools/mksystab/.cvsignore
@@ -3,3 +3,4 @@
 *.exe
 *.coff
 *.sym
+mksystab.map
\ No newline at end of file