diff --git a/modules/hal_infineon/wifi-host-driver/CMakeLists.txt b/modules/hal_infineon/wifi-host-driver/CMakeLists.txt
index afdb147676d..010518f1642 100644
--- a/modules/hal_infineon/wifi-host-driver/CMakeLists.txt
+++ b/modules/hal_infineon/wifi-host-driver/CMakeLists.txt
@@ -113,8 +113,8 @@ if(CONFIG_CYW43439 AND NOT CONFIG_AIROC_WIFI_CUSTOM)
     set(cyw43xx_fw_bin     ${hal_blobs_dir}/firmware/COMPONENT_43439/43439A0-mfgtest.bin)
     zephyr_library_sources(${hal_wifi_dir_resources}/firmware/COMPONENT_43439/43439A0-mfgtest_bin.c)
   else()
-    set(cyw43xx_fw_bin     ${hal_blobs_dir}/firmware/COMPONENT_43439/43439A0.bin)
-    zephyr_library_sources(${hal_wifi_dir_resources}/firmware/COMPONENT_43439/43439A0_bin.c)
+    set(cyw43xx_fw_bin     ${hal_blobs_dir}/firmware/COMPONENT_43439/43439a0.bin)
+    zephyr_library_sources(${hal_wifi_dir_resources}/firmware/COMPONENT_43439/43439a0_bin.c)
   endif()
 endif()