diff --git a/core/m4/build b/core/m4/build
index 0cc644a2..e9a7055e 100755
--- a/core/m4/build
+++ b/core/m4/build
@@ -12,4 +12,4 @@ make DESTDIR="$1" install
 rm -rf "$1/usr/share/info"
 
 # Remove conflicting file.
-rm "$1/usr/lib/charset.alias"
+rm -f "$1/usr/lib/charset.alias"