diff --git a/tests/chunks/pipeline-interests-aimd.t.cpp b/tests/chunks/pipeline-interests-aimd.t.cpp
index c990654..0f18f70 100644
--- a/tests/chunks/pipeline-interests-aimd.t.cpp
+++ b/tests/chunks/pipeline-interests-aimd.t.cpp
@@ -78,8 +78,10 @@
     rttOptions.alpha = 0.125;
     rttOptions.beta = 0.25;
     rttOptions.k = 4;
-    rttOptions.minRto = RttEstimator::MillisecondsDouble(200);
-    rttOptions.maxRto = RttEstimator::MillisecondsDouble(4000);
+    rttOptions.initialRto = 1_s;
+    rttOptions.minRto = 200_ms;
+    rttOptions.maxRto = 4_s;
+    rttOptions.rtoBackoffMultiplier = 2;
     return rttOptions;
   }
 
@@ -87,7 +89,7 @@
   PipelineInterestsAdaptive::Options opt;
   RttEstimator rttEstimator;
   PipelineInterestsAdaptive* pipeline;
-  static constexpr double MARGIN = 0.01;
+  static constexpr double MARGIN = 0.001;
 };
 
 constexpr double PipelineInterestAimdFixture::MARGIN;
diff --git a/tests/chunks/pipeline-interests-cubic.t.cpp b/tests/chunks/pipeline-interests-cubic.t.cpp
index fa3aac8..03e3f9d 100644
--- a/tests/chunks/pipeline-interests-cubic.t.cpp
+++ b/tests/chunks/pipeline-interests-cubic.t.cpp
@@ -80,8 +80,10 @@
     rttOptions.alpha = 0.125;
     rttOptions.beta = 0.25;
     rttOptions.k = 8;
-    rttOptions.minRto = RttEstimator::MillisecondsDouble(200);
-    rttOptions.maxRto = RttEstimator::MillisecondsDouble(4000);
+    rttOptions.initialRto = 1_s;
+    rttOptions.minRto = 200_ms;
+    rttOptions.maxRto = 4_s;
+    rttOptions.rtoBackoffMultiplier = 2;
     return rttOptions;
   }
 
@@ -89,7 +91,7 @@
   PipelineInterestsCubic::Options opt;
   RttEstimator rttEstimator;
   PipelineInterestsCubic* pipeline;
-  static constexpr double MARGIN = 0.01;
+  static constexpr double MARGIN = 0.001;
 };
 
 constexpr double PipelineInterestCubicFixture::MARGIN;