diff --git a/lib/fimg-pnm.c b/lib/fimg-pnm.c
index 16656a6..1d60af6 100644
--- a/lib/fimg-pnm.c
+++ b/lib/fimg-pnm.c
@@ -164,10 +164,12 @@ switch(head->type) {
 fprintf(fp, "%s\n%d %d\n", code, head->width, head->height);
 
 if ( flags & 1 ) {
-	fprintf(stderr, "%s using fval/count %f %d -> %f\n", __func__,
-					head->fval, head->count,
-					head->fval * head->count);
 	fk = (head->fval * head->count) / 65535.0;
+	if (verbosity > 1) {
+		fprintf(stderr, "%s using fval/count %f %d -> %f\n",
+				__func__,
+					head->fval, head->count, fk);
+		}
 	fprintf(fp, "# fval/count  %f  %d\n", head->fval, head->count);
 	}
 else	{