diff --git a/tests/test_main_therm_oligo_three_state_2.py b/tests/test_main_therm_oligo_three_state_2.py
index bcbe9af..ac61f7e 100644
--- a/tests/test_main_therm_oligo_three_state_2.py
+++ b/tests/test_main_therm_oligo_three_state_2.py
@@ -28,7 +28,7 @@
 Tm_VAL_1 = 60
 Tm_VAL_2 = 70
 
-INTERCEPT_I = 107
+INTERCEPT_I = 85
 
 INTERCEPT_N = 80
 PRE_EXP_N = 1