diff --git a/jpos/src/main/java/org/jpos/emv/IssuerApplicationData.java b/jpos/src/main/java/org/jpos/emv/IssuerApplicationData.java
index 7148d09cf2..c25f9d2fc3 100644
--- a/jpos/src/main/java/org/jpos/emv/IssuerApplicationData.java
+++ b/jpos/src/main/java/org/jpos/emv/IssuerApplicationData.java
@@ -57,7 +57,7 @@ public IssuerApplicationData(String hexIAD) {
 
         Objects.requireNonNull(hexIAD, "IAD data cannot be null.");
 
-        iad = hexIAD.trim();
+        iad = hexIAD.trim().toUpperCase();
 
         if (iad.length() < 14)
             throw new IllegalArgumentException("Invalid IAD length.");