diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0835120f25aaf06deff35c853e4c5f0872807390..7359f0e7badc304b22b94a0dc8728c4bbdd18523 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -597,7 +597,7 @@ if(USE_BUNDLED_MTXCLIENT)
 	FetchContent_Declare(
 		MatrixClient
                 GIT_REPOSITORY https://github.com/Nheko-Reborn/mtxclient.git
-                GIT_TAG        v0.9.2
+                GIT_TAG        e1a24f3752543d4264cb012a20d84fc9d7229709
 		)
 	set(BUILD_LIB_EXAMPLES OFF CACHE INTERNAL "")
 	set(BUILD_LIB_TESTS OFF CACHE INTERNAL "")
diff --git a/io.github.NhekoReborn.Nheko.yaml b/io.github.NhekoReborn.Nheko.yaml
index 5e43780146faed3e8c57a983aba6807341f65b86..4eefd87ba1bdce223279ed3f27e717e0bd4d9d55 100644
--- a/io.github.NhekoReborn.Nheko.yaml
+++ b/io.github.NhekoReborn.Nheko.yaml
@@ -213,8 +213,8 @@ modules:
     buildsystem: cmake-ninja
     name: mtxclient
     sources:
-      - commit: a9a6087ae820c8fb9332422b094cab8e2301db25
-        tag: v0.9.2
+      - commit: e1a24f3752543d4264cb012a20d84fc9d7229709
+        #tag: v0.9.2
         type: git
         url: https://github.com/Nheko-Reborn/mtxclient.git
   - config-opts:
diff --git a/src/encryption/Olm.cpp b/src/encryption/Olm.cpp
index 6c5044be9f2a576c55b4b4465b5cb4ddb400acad..4a6742dbc09699fea781b584df7e37d8e9d95bc5 100644
--- a/src/encryption/Olm.cpp
+++ b/src/encryption/Olm.cpp
@@ -1262,7 +1262,7 @@ decryptEvent(const MegolmSessionIndex &index,
     } catch (const lmdb::error &e) {
         return {DecryptionErrorCode::DbError, e.what(), std::nullopt};
     } catch (const mtx::crypto::olm_exception &e) {
-        if (e.error_code() == mtx::crypto::OlmErrorCode::UNKNOWN_MESSAGE_INDEX)
+        if (e.error_code() == mtx::crypto::OlmErrorCode::OLM_UNKNOWN_MESSAGE_INDEX)
             return {DecryptionErrorCode::MissingSessionIndex, e.what(), std::nullopt};
         return {DecryptionErrorCode::DecryptionFailed, e.what(), std::nullopt};
     }