1 files changed, 1 insertions, 1 deletions
diff --git a/planner.c b/planner.c
index 28c8e34a2..c1b0fb4a3 100644
--- a/planner.c
+++ b/planner.c
@@ -667,7 +667,7 @@ static int validate_depth(const char *text, int *mm_p)
 	while (isspace(*text))
 		text++;
 
-	imperial = get_output_units()->length == FEET;
+	imperial = get_units()->length == FEET;
 	if (*text == 'm') {
 		imperial = 0;
 		text++;