diff --git a/src/libthermo/thermostats.c b/src/libthermo/thermostats.c
index 03f4fc3..3e47e70 100644
--- a/src/libthermo/thermostats.c
+++ b/src/libthermo/thermostats.c
@@ -63,7 +63,9 @@ void getThermoProperties (ppair_t* pairs, size_t count, poptions_t options)
 		pairs[i]->p2mintemp = 100;
 
 		for (j = 0; j < pairs[i]->pcr.ampcount; j++)
+			if (pairs[i]->pcr.amplifias[j].sequence->isexample)
 		{
+
 			sq = pairs[i]->pcr.amplifias[j].sequence->SQ;
 			strand = pairs[i]->pcr.amplifias[j].strand;
 			bp1 = pairs[i]->pcr.amplifias[j].begin - options->primer_length;