diff --git a/driver-csi.c b/driver-csi.c
index feedeb1..5701e19 100644
--- a/driver-csi.c
+++ b/driver-csi.c
@@ -378,7 +378,7 @@ handle_csi_R (termo_t *tk, termo_key_t *key, int cmd, long *arg, int args)
 			return TERMO_RES_NONE;
 
 		key->type = TERMO_TYPE_POSITION;
-		termo_key_set_linecol (key, arg[1], arg[0]);
+		termo_key_set_linecol (key, arg[0] - 1, arg[1] - 1);
 		return TERMO_RES_KEY;
 
 	default:
diff --git a/tests/31position.c b/tests/31position.c
index 7eb0eca..07ff09f 100644
--- a/tests/31position.c
+++ b/tests/31position.c
@@ -21,8 +21,8 @@ int main (int argc, char *argv[])
 	is_int (termo_interpret_position (tk, &key, &line, &col), TERMO_RES_KEY,
 		"interpret_position yields RES_KEY");
 
-	is_int (line, 15, "line for position report");
-	is_int (col, 7, "column for position report");
+	is_int (line, 14, "line for position report");
+	is_int (col, 6, "column for position report");
 
 	// A plain CSI R is likely to be <F3> though.  This is tricky :/
 	termo_push_bytes (tk, "\e[R", 3);