diff --git a/src/terrama2/services/analysis/core/Service.cpp b/src/terrama2/services/analysis/core/Service.cpp
index 1f5dfdbb8..218f42d53 100644
--- a/src/terrama2/services/analysis/core/Service.cpp
+++ b/src/terrama2/services/analysis/core/Service.cpp
@@ -136,7 +136,7 @@ void terrama2::services::analysis::core::Service::connectDataManager()
 void terrama2::services::analysis::core::Service::start(size_t threadNumber)
 {
   terrama2::core::Service::start(threadNumber);
-  threadNumber = verifyNumberOfThreads(threadNumber)/2;
+  threadNumber = std::ceil((threadNumber)/2);
   threadPool_.reset(new ThreadPool(threadNumber));
 }