diff --git a/util/ectool/ec.h b/util/ectool/ec.h
index a7b10e4..f25a3d9 100644
--- a/util/ectool/ec.h
+++ b/util/ectool/ec.h
@@ -50,4 +50,5 @@
 uint8_t ec_ext_read(uint16_t addr);
 int ec_ext_write(uint16_t addr, uint8_t data);
 uint8_t ec_idx_read(uint16_t addr);
+uint8_t ec_query(void);
 #endif