diff --git a/tests/plat/build.lua b/tests/plat/build.lua
index 60a3f8d0b..0d3091559 100644
--- a/tests/plat/build.lua
+++ b/tests/plat/build.lua
@@ -58,7 +58,7 @@ definerule("plat_testsuite",
 					"util/build+testrunner"
 				},
 				commands = {
-					"%{ins[2]} "..e.method.." %{ins[1]} 5 %{ins[3]} > %{outs}; true",
+					"%{ins[2]} "..e.method.." %{ins[1]} 15 %{ins[3]} > %{outs}; true",
 				}
 			}
 		end