diff --git a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java
index f6d642b..8e877ea 100644
--- a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java
+++ b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java
@@ -2,6 +2,7 @@ package org.lucares.pdb.plot.api;
 
 import java.nio.file.Path;
 import java.util.Collection;
+import java.util.concurrent.TimeUnit;
 
 import org.lucares.recommind.logs.DataSeries;
 
@@ -36,7 +37,7 @@ public class ParallelRequestsAggregate implements AggregateHandler {
 	@Override
 	public CustomAggregator createCustomAggregator(final Path tmpDir, final long fromEpochMilli,
 			final long toEpochMilli) {
-		if ((toEpochMilli - fromEpochMilli) <= 3600 * 1000) {
+		if ((toEpochMilli - fromEpochMilli) <= TimeUnit.HOURS.toMillis(5)) {
 			return new ParallelRequestsAggregator(tmpDir, fromEpochMilli, toEpochMilli);
 		} else {
 			return new NullCustomAggregator();
diff --git a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregator.java b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregator.java
index 96aae69..004f58f 100644
--- a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregator.java
+++ b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregator.java
@@ -34,11 +34,6 @@ public class ParallelRequestsAggregator implements CustomAggregator {
 		this.fromEpochMilli = fromEpochMilli;
 		this.toEpochMilli = toEpochMilli;
 
-		if ((toEpochMilli - fromEpochMilli) > 3600 * 1000) {
-			throw new IllegalArgumentException("The " + ParallelRequestsAggregator.class.getSimpleName()
-					+ " must only be active for periods shorter than one hour, due to memory concerns.");
-		}
-
 		final int milliseconds = (int) (toEpochMilli - fromEpochMilli);
 		increments = new short[milliseconds];
 	}