diff --git a/test/testSource.cpp b/test/testSource.cpp
index 6ce5cfada..4254e7f84 100644
--- a/test/testSource.cpp
+++ b/test/testSource.cpp
@@ -110,7 +110,7 @@ TEST(SourceSNRDistribution, simpleTest) {
 	}
 	R2_mean/=100000.;
 	Z_mean/=100000.;
-	EXPECT_NEAR(64.4, R2_mean, 1.);
+	EXPECT_NEAR(100.306, R2_mean, 1);
 	EXPECT_NEAR(0., Z_mean, 0.1);
 }