diff --git a/packages/react-wrappers/CHANGELOG.md b/packages/react-wrappers/CHANGELOG.md
index c88b767..c8add7c 100644
--- a/packages/react-wrappers/CHANGELOG.md
+++ b/packages/react-wrappers/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 1.7.4
+
+- Fixed kebab case attribute string mapping fallback
+
 ## 1.7.3
 
 - Fixed boolean mapping for SSR
diff --git a/packages/react-wrappers/package.json b/packages/react-wrappers/package.json
index b8389c8..d29da88 100644
--- a/packages/react-wrappers/package.json
+++ b/packages/react-wrappers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "custom-element-react-wrappers",
-  "version": "1.7.3",
+  "version": "1.7.4",
   "description": "A tool for generating react-compatible wrappers for custom elements",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",
diff --git a/packages/react-wrappers/src/wrapper-generator.ts b/packages/react-wrappers/src/wrapper-generator.ts
index a553baf..5cfc227 100644
--- a/packages/react-wrappers/src/wrapper-generator.ts
+++ b/packages/react-wrappers/src/wrapper-generator.ts
@@ -302,7 +302,7 @@ function getAttributeTemplates(attributes: MappedAttribute[]) {
         (attr) =>
           `'${attr.originalName || attr?.name}': props.${
             attr.fieldName
-          } ${attr.name.includes("-") ? `|| props['${attr.name}']` : ""}`,
+          } ${attr.name.includes("-") ? `?? props['${attr.name}']` : ""}`,
       ) || []
   );
 }