diff --git a/Duplicati/Library/Backend/Sia/Sia.cs b/Duplicati/Library/Backend/Sia/Sia.cs
index 1d05d0f63..676f353c6 100644
--- a/Duplicati/Library/Backend/Sia/Sia.cs
+++ b/Duplicati/Library/Backend/Sia/Sia.cs
@@ -45,8 +45,10 @@ namespace Duplicati.Library.Backend.Sia
                 m_targetpath = options[SIA_TARGETPATH];
             }
 
-            if (m_targetpath.StartsWith("/"))
+            while (m_targetpath.StartsWith("/"))
                 m_targetpath = m_targetpath.Substring(1);
+            while (m_targetpath.EndsWith("/"))
+                m_targetpath = m_targetpath.Remove(m_targetpath.Length - 1);
 
             if (m_targetpath.Length == 0)
                 m_targetpath = "backup";