diff --git a/src/include/sof/lib/fast-get.h b/src/include/sof/lib/fast-get.h
index 72e60a8a68a3..36232cfbb3d6 100644
--- a/src/include/sof/lib/fast-get.h
+++ b/src/include/sof/lib/fast-get.h
@@ -12,7 +12,7 @@
 
 struct k_heap;
 
-#if defined(__ZEPHYR__) && defined(CONFIG_SOF)
+#if defined(__ZEPHYR__) && defined(CONFIG_SOF_FULL_ZEPHYR_APPLICATION)
 #include <zephyr/toolchain.h>
 
 __syscall const void *fast_get(struct k_heap *heap, const void * const dram_ptr, size_t size);