diff --git a/CEP/Pipeline/recipes/sip/tasks.cfg.CEP4.in b/CEP/Pipeline/recipes/sip/tasks.cfg.CEP4.in
index 76693d17ad7f8afb0e67918b26acbd87ccdda80e..61c51bf715ba13f38d532f8cc4c415cc4caff32a 100644
--- a/CEP/Pipeline/recipes/sip/tasks.cfg.CEP4.in
+++ b/CEP/Pipeline/recipes/sip/tasks.cfg.CEP4.in
@@ -1,6 +1,6 @@
 [ndppp]
 nproc = 0
-nthreads = 10
+nthreads = 4
 
 [setupparmdb]
 nproc = 0
@@ -24,7 +24,7 @@ nthreads = 10
 
 [dppp]
 max_per_node = 0 
-nthreads = 10
+nthreads = 4
 
 [awimager]
 max_per_node = 0