diff --git a/CMakeLists.txt b/CMakeLists.txt
index 21882d3e..a195c1eb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,7 +95,7 @@ option(JSRUNTIMEHOST_POLYFILL_SCHEDULING "Include JsRuntimeHost Polyfill Schedul
 option(JSRUNTIMEHOST_POLYFILL_XMLHTTPREQUEST "Include JsRuntimeHost Polyfill XMLHttpRequest." ON)
 option(JSRUNTIMEHOST_POLYFILL_FETCH "Include JsRuntimeHost Polyfill fetch." ON)
 option(JSRUNTIMEHOST_POLYFILL_URL "Include JsRuntimeHost Polyfill URL and URLSearchParams." ON)
-option(JSRUNTIMEHOST_POLYFILL_ABORT_CONTROLLER "Include JsRuntimeHost Polyfills AbortController and AbortSignal." ON)
+option(JSRUNTIMEHOST_POLYFILL_ABORTCONTROLLER "Include JsRuntimeHost Polyfills AbortController and AbortSignal." ON)
 option(JSRUNTIMEHOST_POLYFILL_WEBSOCKET "Include JsRuntimeHost Polyfill WebSocket." ON)
 option(JSRUNTIMEHOST_POLYFILL_BLOB "Include JsRuntimeHost Polyfill Blob." ON)
 option(JSRUNTIMEHOST_POLYFILL_FILE "Include JsRuntimeHost Polyfill File and FileReader." ON)
@@ -103,6 +103,11 @@ option(JSRUNTIMEHOST_POLYFILL_PERFORMANCE "Include JsRuntimeHost Polyfill Perfor
 option(JSRUNTIMEHOST_POLYFILL_TEXTDECODER "Include JsRuntimeHost Polyfill TextDecoder." ON)
 option(JSRUNTIMEHOST_POLYFILL_TEXTENCODER "Include JsRuntimeHost Polyfill TextEncoder." ON)
 
+# Compatibility with the previous AbortController option.
+if(DEFINED JSRUNTIMEHOST_POLYFILL_ABORT_CONTROLLER)
+    set(JSRUNTIMEHOST_POLYFILL_ABORTCONTROLLER "${JSRUNTIMEHOST_POLYFILL_ABORT_CONTROLLER}")
+endif()
+
 # Sanitizers
 option(ENABLE_SANITIZERS "Enable AddressSanitizer and UBSan" OFF)
 option(ENABLE_THREAD_SANITIZER "Enable ThreadSanitizer" OFF)
diff --git a/Polyfills/CMakeLists.txt b/Polyfills/CMakeLists.txt
index a44765fb..5ddba4e0 100644
--- a/Polyfills/CMakeLists.txt
+++ b/Polyfills/CMakeLists.txt
@@ -18,7 +18,7 @@ if(JSRUNTIMEHOST_POLYFILL_URL)
     add_subdirectory(URL)
 endif()
 
-if(JSRUNTIMEHOST_POLYFILL_ABORT_CONTROLLER)
+if(JSRUNTIMEHOST_POLYFILL_ABORTCONTROLLER)
     add_subdirectory(AbortController)
 endif()