diff --git a/src/de.rs b/src/de.rs
index fd7e84e..7080130 100644
--- a/src/de.rs
+++ b/src/de.rs
@@ -42,6 +42,16 @@ impl<'a, T: DeserializeParams<'a>> Uri<'a, bitcoin::address::NetworkUnchecked, T
         let mut label = None;
         let mut message = None;
         if let Some(params) = params {
+            // [RFC 3986 § 3.4](https://www.rfc-editor.org/rfc/rfc3986#section-3.4):
+            //
+            // > The query component is indicated by the first question
+            // > mark ("?") character and terminated by a number sign ("#") character
+            // > or by the end of the URI.
+            let params = match params.find('#') {
+                Some(pos) => &params[..pos],
+                None => params,
+            };
+
             for param in params.split('&') {
                 let pos = param
                     .find('=')
diff --git a/src/ser.rs b/src/ser.rs
index 678b669..a77ca6a 100644
--- a/src/ser.rs
+++ b/src/ser.rs
@@ -59,9 +59,9 @@ impl<'a, W: fmt::Write> fmt::Write for EqSignChecker<'a, W> {
 /// > otherparam     = qchar *qchar [ "=" *qchar ]
 /// > ```
 /// ...
-/// > Here, "qchar" corresponds to valid characters of an RFC 3986 URI > query
-/// component, excluding the "=" and "&" characters, which this BIP > takes as
-/// separators.
+/// > Here, "qchar" corresponds to valid characters of an RFC 3986 URI query
+/// > component, excluding the "=" and "&" characters, which this BIP takes as
+/// > separators.
 ///
 /// [RFC 3986 Appendix A](https://www.rfc-editor.org/rfc/rfc3986#appendix-A):
 ///