diff --git a/packages/react-native/ReactAndroid/cmake-utils/ReactNative-application.cmake b/packages/react-native/ReactAndroid/cmake-utils/ReactNative-application.cmake
index a5b3a19423b..2aeb9f5c46c 100644
--- a/packages/react-native/ReactAndroid/cmake-utils/ReactNative-application.cmake
+++ b/packages/react-native/ReactAndroid/cmake-utils/ReactNative-application.cmake
@@ -32,7 +32,8 @@ endif(CCACHE_FOUND)
 
 set(BUILD_DIR ${PROJECT_BUILD_DIR})
 if(CMAKE_HOST_WIN32)
-        string(REPLACE "\\" "/" BUILD_DIR ${BUILD_DIR})
+    string(REPLACE "\\" "/" BUILD_DIR ${BUILD_DIR})
+    string(REPLACE "\\" "/" REACT_ANDROID_DIR ${REACT_ANDROID_DIR})
 endif()
 
 if (PROJECT_ROOT_DIR)
@@ -44,6 +45,11 @@ file(GLOB input_SRC CONFIGURE_DEPENDS
         ${REACT_ANDROID_DIR}/cmake-utils/default-app-setup/*.cpp
         ${BUILD_DIR}/generated/autolinking/src/main/jni/*.cpp)
 
+# Ensure that `input_SRC` paths use forward slashes
+foreach(path IN LISTS input_SRC)
+    string(REPLACE "\\" "/" path "${path}")
+endforeach()
+
 add_library(${CMAKE_PROJECT_NAME} SHARED ${input_SRC})
 
 target_include_directories(${CMAKE_PROJECT_NAME}