diff --git a/zephyr/CMakeLists.txt b/zephyr/CMakeLists.txt
index 06f6fb2b8..cf38f46d0 100644
--- a/zephyr/CMakeLists.txt
+++ b/zephyr/CMakeLists.txt
@@ -51,6 +51,12 @@ set(SOF_DEBUG_PATH "${SOF_SRC_PATH}/debug")
 set(SOF_MATH_PATH "${SOF_SRC_PATH}/math")
 set(SOF_TRACE_PATH "${SOF_SRC_PATH}/trace")
 
+# Save path to rimage configuration files in cmake cache for later use by
+# rimage during the "west sign" stage
+get_filename_component(RIMAGE_CONFIG "../rimage/config" ABSOLUTE)
+set(RIMAGE_CONFIG_PATH ${RIMAGE_CONFIG} CACHE PATH
+    " Path to rimage board configuration files")
+
 # default SOF includes
 target_include_directories(SOF INTERFACE ../rimage/src/include)
 target_include_directories(SOF INTERFACE ../zephyr/include)