diff --git a/tests/ptests_config b/tests/ptests_config
index 1f44c9bdaba4af8946686a31ba1503fcad3cd57b..c1497a20507906a6bca5274a64d244af646e8f07 100644
--- a/tests/ptests_config
+++ b/tests/ptests_config
@@ -3,9 +3,9 @@
 # todo: adds dynamic_plugin? No, will be removed from master branch.
 # todo: adds verisec?
 
-DEFAULT_SUITES= callgraph cil float idct impact
+DEFAULT_SUITES= callgraph cil constant_propagation float idct impact
 # todo:
-IGNORE= DEFAULT_SUITES= builtins constant_propagation compliance dynamic syntax
+IGNORE= DEFAULT_SUITES= builtins compliance dynamic syntax
 
 DEFAULT_SUITES= occurrence pretty_printing rte_manual
 # todo: