diff --git a/src/bank-lib/test_bank_api_twisted.c b/src/bank-lib/test_bank_api_twisted.c
index fdc734925..b11ccfd86 100644
--- a/src/bank-lib/test_bank_api_twisted.c
+++ b/src/bank-lib/test_bank_api_twisted.c
@@ -108,7 +108,7 @@ run (void *cls,
 static void
 purge_process (struct GNUNET_OS_Process *process)
 {
-  GNUNET_OS_process_kill (process, SIGKILL);
+  GNUNET_OS_process_kill (process, SIGINT);
   GNUNET_OS_process_wait (process);
   GNUNET_OS_process_destroy (process);
 }
diff --git a/src/bank-lib/test_bank_api_with_fakebank_twisted.c b/src/bank-lib/test_bank_api_with_fakebank_twisted.c
index 4eef82728..6465c0378 100644
--- a/src/bank-lib/test_bank_api_with_fakebank_twisted.c
+++ b/src/bank-lib/test_bank_api_with_fakebank_twisted.c
@@ -105,7 +105,7 @@ run (void *cls,
 static void
 purge_process (struct GNUNET_OS_Process *process)
 {
-  GNUNET_OS_process_kill (process, SIGKILL);
+  GNUNET_OS_process_kill (process, SIGINT);
   GNUNET_OS_process_wait (process);
   GNUNET_OS_process_destroy (process);
 }