diff --git a/app/boards/intel_adsp_ace30_ptl.conf b/app/boards/intel_adsp_ace30_ptl.conf
index d6dfe492e81e..32121f7b9b02 100644
--- a/app/boards/intel_adsp_ace30_ptl.conf
+++ b/app/boards/intel_adsp_ace30_ptl.conf
@@ -92,3 +92,6 @@ CONFIG_LOG_FUNC_NAME_PREFIX_DBG=y
 CONFIG_LOG_MODE_DEFERRED=y
 CONFIG_LOG_OUTPUT_FORMAT_LINUX_TIMESTAMP=y
 CONFIG_LOG_TIMESTAMP_64BIT=y
+
+# FIXME: MicSel crashes when used as an llext module. Temporarily make it a built-in.
+CONFIG_COMP_SEL=y