diff --git a/.travis.yml b/.travis.yml
index 1a444a51a87..70c9167707d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -40,6 +40,7 @@ script:
   - source $HOME/BYOND-${BYOND_MAJOR}.${BYOND_MINOR}/byond/bin/byondsetup
   - cp config/example/* config/
   - scripts/dm.sh -DUNIT_TEST baystation12.dme
+  - grep "0 warnings" build_log.txt
   - DreamDaemon baystation12.dmb -invisible -trusted -core 2>&1 | tee log.txt
   - grep "All Unit Tests Passed" log.txt
   - (! grep "runtime error:" log.txt)
diff --git a/scripts/dm.sh b/scripts/dm.sh
index e8985cdfc8c..dda127e27e8 100755
--- a/scripts/dm.sh
+++ b/scripts/dm.sh
@@ -44,7 +44,7 @@ if [[ $DM == "" ]]; then
     exit 3
 fi
 
-"$DM" $dmepath.mdme
+"$DM" $dmepath.mdme > build_log.txt
 retval=$?
 
 mv $dmepath.mdme.dmb $dmepath.dmb