diff --git a/bdk-ffi/src/bdk.udl b/bdk-ffi/src/bdk.udl
index 85173e5d..b9664171 100644
--- a/bdk-ffi/src/bdk.udl
+++ b/bdk-ffi/src/bdk.udl
@@ -551,6 +551,8 @@ interface DescriptorPublicKey {
   string as_string();
 
   boolean is_multipath();
+
+  string master_fingerprint();
 };
 
 [Traits=(Display)]
diff --git a/bdk-ffi/src/keys.rs b/bdk-ffi/src/keys.rs
index d0feb084..878ae4f4 100644
--- a/bdk-ffi/src/keys.rs
+++ b/bdk-ffi/src/keys.rs
@@ -227,6 +227,10 @@ impl DescriptorPublicKey {
     pub(crate) fn is_multipath(&self) -> bool {
         self.0.is_multipath()
     }
+
+    pub(crate) fn master_fingerprint(&self) -> String {
+        self.0.master_fingerprint().to_string()
+    }
 }
 
 #[cfg(test)]