diff --git a/src/impl/realm_coordinator.cpp b/src/impl/realm_coordinator.cpp
index 2fd0dd0e..f784268f 100644
--- a/src/impl/realm_coordinator.cpp
+++ b/src/impl/realm_coordinator.cpp
@@ -75,16 +75,16 @@ std::shared_ptr<Realm> RealmCoordinator::get_realm(Realm::Config config)
     }
     else {
         if (m_config.read_only != config.read_only) {
-            throw MismatchedConfigException("Realm at path already opened with different read permissions.");
+            throw MismatchedConfigException("Realm at path '%1' already opened with different read permissions.", config.path);
         }
         if (m_config.in_memory != config.in_memory) {
-            throw MismatchedConfigException("Realm at path already opened with different inMemory settings.");
+            throw MismatchedConfigException("Realm at path '%1' already opened with different inMemory settings.", config.path);
         }
         if (m_config.encryption_key != config.encryption_key) {
-            throw MismatchedConfigException("Realm at path already opened with a different encryption key.");
+            throw MismatchedConfigException("Realm at path '%1' already opened with a different encryption key.", config.path);
         }
         if (m_config.schema_version != config.schema_version && config.schema_version != ObjectStore::NotVersioned) {
-            throw MismatchedConfigException("Realm at path already opened with different schema version.");
+            throw MismatchedConfigException("Realm at path '%1' already opened with different schema version.", config.path);
         }
         // FIXME: verify that schema is compatible
         // Needs to verify that all tables present in both are identical, and
@@ -93,7 +93,7 @@ std::shared_ptr<Realm> RealmCoordinator::get_realm(Realm::Config config)
         // Public API currently doesn't make it possible to have non-matching
         // schemata so it's not a huge issue
         if ((false) && m_config.schema != config.schema) {
-            throw MismatchedConfigException("Realm at path already opened with different schema");
+            throw MismatchedConfigException("Realm at path '%1' already opened with different schema", config.path);
         }
     }
 
diff --git a/src/shared_realm.cpp b/src/shared_realm.cpp
index 5fd68576..2eccc36e 100644
--- a/src/shared_realm.cpp
+++ b/src/shared_realm.cpp
@@ -492,3 +492,6 @@ void Realm::close()
     m_binding_context = nullptr;
     m_coordinator = nullptr;
 }
+
+MismatchedConfigException::MismatchedConfigException(StringData message, StringData path)
+: std::runtime_error(util::format(message.data(), path)) { }
diff --git a/src/shared_realm.hpp b/src/shared_realm.hpp
index 89766b6f..6ecebf95 100644
--- a/src/shared_realm.hpp
+++ b/src/shared_realm.hpp
@@ -217,7 +217,7 @@ namespace realm {
 
     class MismatchedConfigException : public std::runtime_error {
     public:
-        MismatchedConfigException(std::string message) : std::runtime_error(move(message)) {}
+        MismatchedConfigException(StringData message, StringData path);
     };
 
     class InvalidTransactionException : public std::runtime_error {