diff --git a/watch.sh b/watch.sh
index e5f0536..106d064 100755
--- a/watch.sh
+++ b/watch.sh
@@ -6,4 +6,11 @@ ls *.ts* | entr yarn lint | tee >(
       notify-send "${ln}"
     fi
   done
-)
+) &
+yarn tsc --watch --preserveWatchOutput | tee >(
+  while read ln; do 
+    if echo "${ln}" | grep -q "Found [^0][0-9]* error"; then 
+      notify-send "${ln}"
+    fi
+  done
+) &