diff --git a/shuffle-tools/1.2.0/src/app.py b/shuffle-tools/1.2.0/src/app.py
index cc713f91..4ec05f00 100644
--- a/shuffle-tools/1.2.0/src/app.py
+++ b/shuffle-tools/1.2.0/src/app.py
@@ -501,13 +501,11 @@ def replace_value_from_dictionary(self, input_data, mapping, default_value=""):
                     "reason": "Mapping is not valid JSON: %s" % e,
                 }
 
-        for key, value in mapping.items():
-            try:
-                input_data = input_data.replace(key, str(value), -1)
-            except:
-                self.logger.info(f"Failed mapping output data for key {key}")
+        # Ensure input_data is treated as a whole key
+        input_data = str(input_data)  # Convert to string to match dictionary key format
+        result = mapping.get(input_data, default_value) 
 
-        return input_data 
+        return result
 
     # Changed with 1.1.0 to run with different returns 
     def regex_capture_group(self, input_data, regex):