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-rw-r--r--libcrystfel/src/integration.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libcrystfel/src/integration.c b/libcrystfel/src/integration.c
index b3bee120..ce996db7 100644
--- a/libcrystfel/src/integration.c
+++ b/libcrystfel/src/integration.c
@@ -846,7 +846,11 @@ static int check_box(struct intcontext *ic, struct peak_box *bx, int *sat)
}
/* Per-pixel saturation value */
- lsat = ic->image->sat[bx->pn][fs + bx->p->w*ss];
+ if ( ic->image->sat != NULL ) {
+ lsat = ic->image->sat[bx->pn][fs + bx->p->w*ss];
+ } else {
+ lsat = INFINITY;
+ }
if ( (bx->bm[p+ic->w*q] != BM_IG)
&& (bx->bm[p+ic->w*q] != BM_BH)
&& ((boxi(ic, bx, p, q) > bx->p->max_adu)