diff --git a/base/app/init.d/10-nginx.sh b/base/app/init.d/10-nginx.sh
index c369e18..41d180b 100755
--- a/base/app/init.d/10-nginx.sh
+++ b/base/app/init.d/10-nginx.sh
@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-# Reformat path
+# Reformat proxy path
 if [[ ${MYVNC_PROXYPATH} == "/" ]]
 then
     unset _MYVNC_PROXYPATH
 elif [ ${MYVNC_PROXYPATH} ]
 then
-    _MYVNC_PROXYPATH=$(echo ${MYVNC_PROXYPATH%/} | sed "s|^.*/||;s|^|/|")
+    _MYVNC_PROXYPATH=$(echo ${MYVNC_PROXYPATH} | sed "s|^/*||g;s|/*$||g;s|/*/|/|g;s|^|/|")
 fi
 
 # Add novnc virtual proxy conf