diff --git a/src/source.rs b/src/source.rs
index 14cde5b..033c576 100644
--- a/src/source.rs
+++ b/src/source.rs
@@ -87,7 +87,8 @@ impl Templated {
         }
       }
 
-      url = url.replace(&format!("%{name}%"), &value);
+      let encoded_value = urlencoding::encode(&value);
+      url = url.replace(&format!("%{name}%"), &encoded_value);
     }
 
     SourceConfig::Simple(url)