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-rw-r--r--src/post-refinement.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/post-refinement.c b/src/post-refinement.c
index aed15c2e..103bf487 100644
--- a/src/post-refinement.c
+++ b/src/post-refinement.c
@@ -454,7 +454,7 @@ static double pr_iterate(Crystal *cr, const RefList *full,
STATUS("%i reflections went into the equations.\n", nref);
}
- if ( nref == 0 ) {
+ if ( nref < num_params ) {
crystal_set_user_flag(cr, 2);
gsl_matrix_free(M);
gsl_vector_free(v);