diff --git a/src/propagation/test/channel-condition-model-test-suite.cc b/src/propagation/test/channel-condition-model-test-suite.cc
index b04d39f50..7ec917fd1 100644
--- a/src/propagation/test/channel-condition-model-test-suite.cc
+++ b/src/propagation/test/channel-condition-model-test-suite.cc
@@ -75,7 +75,7 @@ class ThreeGppChannelConditionModelTestCase : public TestCase
 ThreeGppChannelConditionModelTestCase::ThreeGppChannelConditionModelTestCase()
     : TestCase("Test case for the child classes of ThreeGppChannelConditionModel"),
       m_testVectors(),
-      m_tolerance(2e-3)
+      m_tolerance(2.5e-3)
 {
 }