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 b7d31d9fce53..68f7412a5506 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
@@ -1651,6 +1651,7 @@ protected void initializeSpecialCharacterMapping() {
         specialCharReplacements.put("!", "Exclamation");
         specialCharReplacements.put("+", "Plus");
         specialCharReplacements.put(":", "Colon");
+        specialCharReplacements.put(";", "Semicolon");
         specialCharReplacements.put(">", "Greater_Than");
         specialCharReplacements.put("<", "Less_Than");
         specialCharReplacements.put(".", "Period");