diff --git a/zephyr/CMakeLists.txt b/zephyr/CMakeLists.txt
index 2e96668e119b..b8b450e5c188 100644
--- a/zephyr/CMakeLists.txt
+++ b/zephyr/CMakeLists.txt
@@ -62,6 +62,7 @@ endfunction()
 # of the .text section as arguments.
 function(sof_llext_build module)
 	set(multi_args SOURCES)
+	set(single_args LIB)
 	cmake_parse_arguments(PARSE_ARGV 1 SOF_LLEXT "${options}" "${single_args}" "${multi_args}")
 
 	cmake_path(SET SOF_BASE NORMALIZE ${APPLICATION_SOURCE_DIR}/..)
@@ -73,6 +74,10 @@ function(sof_llext_build module)
 		SOURCES ${SOF_LLEXT_SOURCES}
 	)
 
+	if(NOT "${SOF_LLEXT_LIB}" STREQUAL "")
+		file(WRITE ${PROJECT_BINARY_DIR}/${module}_llext/lib_name.txt ${SOF_LLEXT_LIB})
+	endif()
+
 	target_include_directories(${module}_llext_lib PRIVATE
 		"${SOF_BASE}/xtos/include"
 		"${SOF_BASE}/src/include"