diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 334c3403a479f9c52bc4f24377b7b2dc572fd2c5..9d0deb709013c7146877bdb50949dfa3ae1af00b 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -330,6 +330,7 @@ int main(int argc, char *argv[]) {
     u_initial = 0.0;
     VectorType ud_initial(finestSize);
     ud_initial = 0.0;
+    // FIXME: This only happens to be correct
     VectorType udd_initial(finestSize);
     udd_initial = 0.0;