diff --git a/src/test/java/it/unibz/inf/isochrone/network/AlgorithmRuntimeTest.java b/src/test/java/it/unibz/inf/isochrone/network/AlgorithmRuntimeTest.java
index 0e3ad513b884d645789e7d3d1aca2b6527727c55..9e803c60e9234a2228f1ee371ee002f648ec0c95 100644
--- a/src/test/java/it/unibz/inf/isochrone/network/AlgorithmRuntimeTest.java
+++ b/src/test/java/it/unibz/inf/isochrone/network/AlgorithmRuntimeTest.java
@@ -310,7 +310,7 @@ public final class AlgorithmRuntimeTest {
 			final String time = runtimeEntry.getKey();
 			final Map<String, Long> results = runtimeEntry.getValue();
 
-			double dmax = -1;
+			final double dmax;
 			try {
 				dmax = Float.parseFloat(time);
 			} catch (final NumberFormatException e) {