diff --git a/platform/linux/do_debian_package.sh b/platform/linux/do_debian_package.sh
index a87c053cb..211e07f99 100755
--- a/platform/linux/do_debian_package.sh
+++ b/platform/linux/do_debian_package.sh
@@ -97,7 +97,7 @@ if command_exists "${COMMAND}"; then
 
     fakeroot dpkg-deb -b "${BASE_DIR}" "koreader-${VERSION}-${DEB_ARCH}.deb"
 else
-    echo "${COMMAND} not found, unable to build Debian package"
+    echo "${COMMAND} not found, unable to build Debian package" 1>&2
     exit 1
 fi