diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ConfluenceWikiCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ConfluenceWikiCodegen.java
index 20c3fb25373..815286a7378 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ConfluenceWikiCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ConfluenceWikiCodegen.java
@@ -148,7 +148,11 @@ public class ConfluenceWikiCodegen extends DefaultCodegen implements CodegenConf
         }
 
         // chomp tailing newline because it breaks the tables and keep all other sign to show documentation properly
-        return StringUtils.chomp(input);
+        return StringUtils.chomp(input.replace("\\", "\\\\")
+                .replace("{", "\\{").replace("}", "\\}")
+                .replace("]", "\\]")
+                .replace("|", "\\|")
+                .replace("!", "\\!"));
     }
 
     @Override