diff --git a/pkg/security/tests/syscall_tester/c/syscall_tester.c b/pkg/security/tests/syscall_tester/c/syscall_tester.c
index 76844cf222e5c..b7a57b61b55b1 100644
--- a/pkg/security/tests/syscall_tester/c/syscall_tester.c
+++ b/pkg/security/tests/syscall_tester/c/syscall_tester.c
@@ -188,11 +188,10 @@ int ptrace_traceme() {
 int ptrace_attach() {
     int child = fork();
     if (child == 0) {
-        for (int i = 0; i < 20; i++) {
-            sleep(1);
-        }
+        sleep(2);
     } else {
         ptrace(PTRACE_ATTACH, child, 0, NULL);
+        sleep(2); // sleep here to let the agent resolve the pid namespace on procfs
         wait(NULL);
     }
     return EXIT_SUCCESS;