diff --git a/alarm/dtc145/PKGBUILD b/alarm/dtc145/PKGBUILD
index 7e4705bf1..dde58f913 100644
--- a/alarm/dtc145/PKGBUILD
+++ b/alarm/dtc145/PKGBUILD
@@ -22,6 +22,7 @@ prepare() {
   cd dtc-$pkgver
   sed -i 's/-Werror//' Makefile
   sed -i 's/python\b/python2/' tests/run_tests.sh
+  sed -i 's/YYLTYPE yylloc;//g' dtc-lexer.l # fix multiple definitions error
 }
 
 build() {