diff --git a/Example/ZcashLightClientSample/ZcashLightClientSample.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/Example/ZcashLightClientSample/ZcashLightClientSample.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index a8d1b373..902c34ff 100644
--- a/Example/ZcashLightClientSample/ZcashLightClientSample.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/Example/ZcashLightClientSample/ZcashLightClientSample.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -140,8 +140,7 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/zcash-hackworks/zcash-light-client-ffi",
       "state" : {
-        "branch" : "bin/librustzcash_0_7",
-        "revision" : "e8fbb84c1bec44af9dbef7e27c85f25e8f51a5af"
+        "revision" : "9ca1958bb4d7755b7d3ca29d176483b4127f1259"
       }
     }
   ],
diff --git a/Package.resolved b/Package.resolved
index 00effce4..d7e5ec68 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -86,7 +86,7 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/zcash-hackworks/zcash-light-client-ffi",
       "state" : {
-        "revision" : "57c2de3825aab0ab8b5f4100dc0184e52ca86ba1"
+        "revision" : "b9915d53cf563a31722e70a4388e9dce72ea6194"
       }
     }
   ],
diff --git a/Package.swift b/Package.swift
index ae7b4599..96280f8f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -16,7 +16,7 @@ let package = Package(
     dependencies: [
         .package(url: "https://github.com/grpc/grpc-swift.git", from: "1.8.0"),
         .package(url: "https://github.com/stephencelis/SQLite.swift.git", from: "0.13.0"),
-        .package(name:"libzcashlc", url: "https://github.com/zcash-hackworks/zcash-light-client-ffi", revision: "57c2de3825aab0ab8b5f4100dc0184e52ca86ba1")
+        .package(name:"libzcashlc", url: "https://github.com/zcash-hackworks/zcash-light-client-ffi", revision: "b9915d53cf563a31722e70a4388e9dce72ea6194")
     ],
     targets: [
         .target(
diff --git a/Sources/ZcashLightClientKit/Rust/ZcashRustBackend.swift b/Sources/ZcashLightClientKit/Rust/ZcashRustBackend.swift
index 0460dad6..48be5c7b 100644
--- a/Sources/ZcashLightClientKit/Rust/ZcashRustBackend.swift
+++ b/Sources/ZcashLightClientKit/Rust/ZcashRustBackend.swift
@@ -267,12 +267,18 @@ class ZcashRustBackend: ZcashRustBackendWelding {
         }
 
         let dbData = dbData.osStr()
-        return zcashlc_get_total_transparent_balance_for_account(
+        let balance = zcashlc_get_total_transparent_balance_for_account(
             dbData.0,
             dbData.1,
             networkType.networkId,
             account
         )
+
+        guard balance >= 0 else {
+            throw throwDataDbError(lastError() ?? .genericError(message: "Error getting Total Transparent balance from account \(account)"))
+        }
+
+        return balance
     }
 
     static func getVerifiedBalance(dbData: URL, account: Int32, networkType: NetworkType) -> Int64 {