diff --git a/src/main/java/org/gcube/dataanalysis/ecoengine/test/signalprocessing/TestSimpleSignal.java b/src/main/java/org/gcube/dataanalysis/ecoengine/test/signalprocessing/TestSimpleSignal.java
index 7222cc8..5f610ad 100644
--- a/src/main/java/org/gcube/dataanalysis/ecoengine/test/signalprocessing/TestSimpleSignal.java
+++ b/src/main/java/org/gcube/dataanalysis/ecoengine/test/signalprocessing/TestSimpleSignal.java
@@ -112,7 +112,7 @@ public class TestSimpleSignal {
 		// vessels
 		config.setParam("TimeSeriesTable", "signalcsv");
 		config.setParam("ValueColum", "signal");
-		config.setParam("FrequencyResolution", "0.1");
+		config.setParam("FrequencyResolution", "1");
 		
 		
 		AnalysisLogger.setLogger(config.getConfigPath() + AlgorithmConfiguration.defaultLoggerFile);