diff --git a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h
index ef895ed1c8..470ef254de 100644
--- a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h
+++ b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h
@@ -62,7 +62,7 @@ static inline void adm5120_pci_set_irq_map(unsigned int nr_irqs,
 }
 #endif
 
-#define ADM5120_NUM_BUTTONS	4
+#define ADM5120_NUM_BUTTONS	5
 
 extern struct adm5120_flash_platform_data adm5120_flash0_data;
 extern struct adm5120_flash_platform_data adm5120_flash1_data;