diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
index 94eb3273c049..bd2683cf6826 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
@@ -1843,6 +1843,7 @@ public DefaultCodegen() {
     protected void initializeSpecialCharacterMapping() {
         // Initialize special characters
         specialCharReplacements.put("$", "Dollar");
+        specialCharReplacements.put("€", "Euro");
         specialCharReplacements.put("^", "Caret");
         specialCharReplacements.put("|", "Pipe");
         specialCharReplacements.put("=", "Equal");