diff --git a/haas-spim-benchmark/src/main/java/cz/it4i/fiji/haas_spim_benchmark/core/TaskComputation.java b/haas-spim-benchmark/src/main/java/cz/it4i/fiji/haas_spim_benchmark/core/TaskComputation.java
index 82cb41a15e84cd9926c7e75524730abd1231fa4d..6dbf8e8badd1d3577c81e792781ed6a7b19a47b8 100644
--- a/haas-spim-benchmark/src/main/java/cz/it4i/fiji/haas_spim_benchmark/core/TaskComputation.java
+++ b/haas-spim-benchmark/src/main/java/cz/it4i/fiji/haas_spim_benchmark/core/TaskComputation.java
@@ -257,7 +257,7 @@ public class TaskComputation {
 		if (log.isDebugEnabled()) {
 			log.debug("Job parameters resolved id = {}, inputs = {}", id, inputs);
 		}
-		return id == null;
+		return id != null;
 	}
 
 	private String getSnakemakeOutput() {