diff --git a/git.zig b/git.zig
index e2d25873b1734bc133b157122921e765271d20ad..39652f182d3edf58128513128f2c07391d6bbd2a 100644
--- a/git.zig
+++ b/git.zig
@@ -55,7 +55,7 @@ pub fn getHEAD(alloc: std.mem.Allocator, dir: std.fs.Dir) !CommitId {
 }
 
 fn ensureObjId(comptime T: type, input: string) T {
-    std.debug.assert(input.len == 40);
+    extras.assertLog(input.len == 40, input);
     return .{ .id = input[0..40] };
 }