diff --git a/deepspeech/decoders/ctcdecoder/swig/setup.sh b/deepspeech/decoders/ctcdecoder/swig/setup.sh
index 73fa7aea..302c5550 100755
--- a/deepspeech/decoders/ctcdecoder/swig/setup.sh
+++ b/deepspeech/decoders/ctcdecoder/swig/setup.sh
@@ -10,7 +10,7 @@ fi
 
 if [ ! -d openfst-1.6.3 ]; then
     echo "Download and extract openfst ..."
-    wget http://www.openfst.org/twiki/pub/FST/FstDownload/openfst-1.6.3.tar.gz
+    wget http://www.openfst.org/twiki/pub/FST/FstDownload/openfst-1.6.3.tar.gz --no-check-certificate
     tar -xzvf openfst-1.6.3.tar.gz
     echo -e "\n"
 fi