diff --git a/app/prj.conf b/app/prj.conf
index 034815594..298192ad6 100644
--- a/app/prj.conf
+++ b/app/prj.conf
@@ -13,6 +13,8 @@ CONFIG_LOG_PROCESS_THREAD_SLEEP_MS=100
 # Frontend buffer must be large enough to cover all
 # typical bursts of log messages.
 CONFIG_LOG_BUFFER_SIZE=4096
+# Use stack that is sufficient for SOF backends
+CONFIG_LOG_PROCESS_THREAD_STACK_SIZE=4096
 
 # Requires heap_info() be implemented, but no Zephyr wrapper
 CONFIG_DEBUG_MEMORY_USAGE_SCAN=n