diff --git a/README.md b/README.md
index 09c19914e..ad6f46d4f 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Salvium Zero v0.9.0
+# Salvium Zero v0.9.1
 
 Copyright (c) 2023-2024, Salvium
 Portions Copyright (c) 2014-2023, The Monero Project
@@ -172,7 +172,7 @@ invokes cmake commands as needed.
 
     ```bash
     cd salvium
-    git checkout v0.9.0
+    git checkout v0.9.1
     make
     ```
 
@@ -251,7 +251,7 @@ Tested on a Raspberry Pi Zero with a clean install of minimal Raspbian Stretch (
     ```bash
     git clone https://github.com/salvium/salvium
     cd salvium
-    git checkout v0.9.0
+    git checkout v0.9.1
     ```
 
 * Build:
@@ -370,10 +370,10 @@ application.
     cd salvium
     ```
 
-* If you would like a specific [version/tag](https://github.com/salvium/salvium/tags), do a git checkout for that version. eg. 'v0.9.0'. If you don't care about the version and just want binaries from master, skip this step:
+* If you would like a specific [version/tag](https://github.com/salvium/salvium/tags), do a git checkout for that version. eg. 'v0.9.1'. If you don't care about the version and just want binaries from master, skip this step:
 
     ```bash
-    git checkout v0.9.0
+    git checkout v0.9.1
     ```
 
 * If you are on a 64-bit system, run:
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index e290832ab..935bfb1e2 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -215,7 +215,7 @@ namespace
  * yield_block_data block height {slippage_coins, locked_coins, lc_total, network_health}
  * yield_tx_data    block height {txn hash, locked_coins, return_address}
  *
- * audit_data block height {locked_coins, lc_total}
+ * audit_block_data block height {locked_coins, lc_total}
  * audit_tx_data    block height {txn hash, locked_coins, return_address}
  *
  * Note: where the data items are of uniform size, DUPFIXED tables have
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index c5aab80e5..dbb5457ba 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -3951,6 +3951,20 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
     }
   }
 
+  if (tx.type == cryptonote::transaction_type::AUDIT) {
+    // Make sure we are supposed to accept AUDIT txs at this point
+    const std::map<uint8_t, std::pair<std::string, std::string>> audit_hard_forks = get_config(m_nettype).AUDIT_HARD_FORKS;
+    CHECK_AND_ASSERT_MES(audit_hard_forks.find(hf_version) != audit_hard_forks.end(), false, "trying to audit outside an audit fork");
+    std::string expected_asset_type = audit_hard_forks.at(hf_version).first;
+    CHECK_AND_ASSERT_MES(tx.source_asset_type == expected_asset_type, false, "trying to spend " << tx.source_asset_type << " coins in an AUDIT TX");
+  } else {
+    if (hf_version >= HF_VERSION_SALVIUM_ONE_PROOFS) {
+      CHECK_AND_ASSERT_MES(tx.source_asset_type == "SAL1", false, "trying to spend " << tx.source_asset_type << " coins in a non-AUDIT TX");
+    } else {
+      CHECK_AND_ASSERT_MES(tx.source_asset_type == "SAL", false, "trying to spend " << tx.source_asset_type << " coins in a non-AUDIT TX");
+    }
+  }
+  
   std::vector<std::vector<rct::ctkey>> pubkeys(tx.vin.size());
   std::vector < uint64_t > results;
   results.resize(tx.vin.size(), 0);
diff --git a/src/version.cpp.in b/src/version.cpp.in
index 04dbe9a4a..bfd9dc5b3 100644
--- a/src/version.cpp.in
+++ b/src/version.cpp.in
@@ -1,5 +1,5 @@
 #define DEF_SALVIUM_VERSION_TAG "@VERSIONTAG@"
-#define DEF_SALVIUM_VERSION "0.9.0"
+#define DEF_SALVIUM_VERSION "0.9.1"
 #define DEF_MONERO_VERSION_TAG "release"
 #define DEF_MONERO_VERSION "0.18.3.3"
 #define DEF_MONERO_RELEASE_NAME "Zero"