diff --git a/meta-openembedded/meta-oe/recipes-graphics/tesseract/tesseract-lang_4.1.0.bb b/meta-openembedded/meta-oe/recipes-graphics/tesseract/tesseract-lang_4.1.0.bb
index 3a3068f..2f7fcac 100644
--- a/meta-openembedded/meta-oe/recipes-graphics/tesseract/tesseract-lang_4.1.0.bb
+++ b/meta-openembedded/meta-oe/recipes-graphics/tesseract/tesseract-lang_4.1.0.bb
@@ -17,7 +17,7 @@
 
 python populate_packages:prepend () {
     tessdata_dir= d.expand('${datadir}/tessdata')
-    pkgs = do_split_packages(d, tessdata_dir, '^([a-z_]*)\.*', '${BPN}-%s', 'tesseract-ocr language files for %s', extra_depends='')
+    pkgs = do_split_packages(d, tessdata_dir, r'^([a-z_]*)\.*', '${BPN}-%s', 'tesseract-ocr language files for %s', extra_depends='')
     pn = d.getVar('PN')
     d.appendVar('RDEPENDS:' + pn, ' '+' '.join(pkgs))
 }