diff --git a/README.md b/README.md
index 32eb48f..1c2beef 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ It contains both the classes to represent a UR, and a UR encoder and decoder to
 Hummingbird is hosted in Maven Central and can be added as a dependency with the following:
 
 ```
-implementation('com.sparrowwallet:hummingbird:1.5.3')
+implementation('com.sparrowwallet:hummingbird:1.5.4')
 ```
 
 ## Usage
diff --git a/build.gradle b/build.gradle
index f3cec5b..3ace00b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -16,7 +16,7 @@ apply plugin: 'com.bmuschko.nexus'
 
 archivesBaseName = 'hummingbird'
 group 'com.sparrowwallet'
-version '1.5.3'
+version '1.5.4'
 
 repositories {
     mavenCentral()
diff --git a/src/main/java/com/sparrowwallet/hummingbird/LegacyURDecoder.java b/src/main/java/com/sparrowwallet/hummingbird/LegacyURDecoder.java
index 51fcf68..2e83c10 100644
--- a/src/main/java/com/sparrowwallet/hummingbird/LegacyURDecoder.java
+++ b/src/main/java/com/sparrowwallet/hummingbird/LegacyURDecoder.java
@@ -8,7 +8,7 @@ public class LegacyURDecoder {
     private final Set<String> fragments = new LinkedHashSet<>();
 
     public void receivePart(String fragment) {
-        fragments.add(fragment);
+        fragments.add(fragment.toLowerCase());
     }
 
     public boolean isComplete() {
@@ -54,7 +54,7 @@ public class LegacyURDecoder {
         }
 
         //Last component is always fragment payload in both legacy and current
-        String payload = components[components.length-1];
+        String payload = components[components.length-1].toLowerCase();
 
         //BC32 will never contain the following characters
         if(payload.indexOf('b') > -1 || payload.indexOf('i') > -1 || payload.indexOf('o') > -1) {