diff --git a/config/boards/nanopineo2.conf b/config/boards/nanopineo2.conf
index 1bc94bd867..a49a274cf1 100644
--- a/config/boards/nanopineo2.conf
+++ b/config/boards/nanopineo2.conf
@@ -7,7 +7,7 @@ MODULES=""
 MODULES_NEXT=""
 DEFAULT_OVERLAYS="usbhost1 usbhost2"
 CPUMIN="480000"
-CPUMAX="912000"
+CPUMAX="816000"
 #
 BUILD_DESKTOP="no"
 #