diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index d01201c9f..aff2dff1e 100644
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -177,7 +177,7 @@ struct jtag_tap_s
 };
 extern jtag_tap_t* jtag_all_taps(void);
 extern const char *jtag_tap_name(const jtag_tap_t *tap);
-extern jtag_tap_t* jtag_TapByPosition(int n);
+extern jtag_tap_t* jtag_tap_by_position(int n);
 extern jtag_tap_t* jtag_TapByString(const char* dotted_name);
 extern jtag_tap_t* jtag_TapByJimObj(Jim_Interp* interp, Jim_Obj* obj);
 extern jtag_tap_t* jtag_TapByAbsPosition(int abs_position);