diff --git a/src/tc-gen.sh b/src/tc-gen.sh
index a302102..26459e2 100755
--- a/src/tc-gen.sh
+++ b/src/tc-gen.sh
@@ -12,7 +12,7 @@ error_handler () {
     local SCRIPT_NAME="$0"
     local LINE="$1"
     local EXIT_CODE="$2"
-    echo "${SCRIPT_NAME}: Error in line ${LINE} (exit code ${EXIT_CODE})"
+    >&2 echo "${SCRIPT_NAME}: Error in line ${LINE} (exit code ${EXIT_CODE})"
     exit ${EXIT_CODE}
 }