diff --git a/tools/test_apps/system/build_test/sdkconfig.ci.esp32c2_26mhz_xtal b/tools/test_apps/system/build_test/sdkconfig.ci.esp32c2_26mhz_xtal
new file mode 100644
index 0000000000..520e2cf90a
--- /dev/null
+++ b/tools/test_apps/system/build_test/sdkconfig.ci.esp32c2_26mhz_xtal
@@ -0,0 +1,2 @@
+CONFIG_IDF_TARGET="esp32c2"
+CONFIG_ESP32C2_XTAL_FREQ_26=y