diff --git a/Sources/TorusUtils/Extensions/String+Extension.swift b/Sources/TorusUtils/Extensions/String+Extension.swift
index 33c2f082..c058cf37 100755
--- a/Sources/TorusUtils/Extensions/String+Extension.swift
+++ b/Sources/TorusUtils/Extensions/String+Extension.swift
@@ -24,15 +24,15 @@ extension String {
         return hasPrefix("04")
     }
 
-    func add04Prefix() -> String {
-        if !hasPrefix("04") {
+    func add04Prefix(targetLength: Int = 128) -> String {
+        if self.count == targetLength{
             return "04" + self
         }
         return self
     }
 
-    func strip04Prefix() -> String {
-        if hasPrefix("04") {
+    func strip04Prefix(targetLength: Int = 130) -> String {
+        if hasPrefix("04") && self.count == targetLength {
             let indexStart = index(startIndex, offsetBy: 2)
             return String(self[indexStart...])
         }
diff --git a/Torus-utils.podspec b/Torus-utils.podspec
index 79de4a86..e5b249bd 100644
--- a/Torus-utils.podspec
+++ b/Torus-utils.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name         = "Torus-utils"
-  spec.version      = "8.1.0"
+  spec.version      = "8.1.2"
   spec.ios.deployment_target  = "13.0"
   spec.summary      = "Retrieve user shares"
   spec.homepage     = "https://github.com/torusresearch/torus-utils-swift"