diff --git a/src/error.rs b/src/error.rs
index f8ebe6e..8923f4d 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -21,7 +21,7 @@ use xmpp_parsers::{FullJid, Jid};
 
 #[derive(Debug)]
 pub enum Error {
-    MismatchJids(Jid),
+    MismatchJids(Jid, Jid),
     NickAlreadyAssigned(String),
     NonexistantSession(FullJid),
     XMPPError(TokioXMPPError),
@@ -32,7 +32,7 @@ impl StdError for Error {}
 impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
-            Error::MismatchJids(err) => write!(f, "Mismatch Jids: {}", err),
+            Error::MismatchJids(jid1, jid2) => write!(f, "Mismatch Jids: {}, {}", jid1, jid2),
             Error::NickAlreadyAssigned(err) => write!(f, "Nickname already assigned: {}", err),
             Error::NonexistantSession(err) => write!(f, "Session doesn't exist: {}", err),
             Error::XMPPError(err) => write!(f, "XMPP error: {}", err),
diff --git a/src/room.rs b/src/room.rs
index 9ad77cb..9b673cb 100644
--- a/src/room.rs
+++ b/src/room.rs
@@ -221,7 +221,7 @@ impl Occupant {
 
     pub fn add_session(&mut self, real: FullJid) -> Result<(), Error> {
         if BareJid::from(real.clone()) != self.real {
-            return Err(Error::MismatchJids(Jid::from(real.clone())));
+            return Err(Error::MismatchJids(Jid::from(self.real.clone()), Jid::from(real.clone())));
         }
 
         Ok(())
@@ -229,7 +229,7 @@ impl Occupant {
 
     pub fn remove_session(&mut self, real: FullJid) -> Result<(), Error> {
         if BareJid::from(real.clone()) != self.real {
-            return Err(Error::MismatchJids(Jid::from(real.clone())));
+            return Err(Error::MismatchJids(Jid::from(self.real.clone()), Jid::from(real.clone())));
         }
 
         let len = self.sessions.len();