diff --git a/test-tool/test_preventallow_2_itnexuses.c b/test-tool/test_preventallow_2_itnexuses.c
index a957fe3..40cedf2 100644
--- a/test-tool/test_preventallow_2_itnexuses.c
+++ b/test-tool/test_preventallow_2_itnexuses.c
@@ -59,6 +59,7 @@ test_preventallow_2_itnexuses(void)
 	CU_ASSERT_EQUAL(ret, 0);
 
 	logging(LOG_VERBOSE, "Create a second connection to the target");
+	memset(&sd2, 0, sizeof(sd2));
 	sd2.iscsi_ctx = iscsi_context_login(initiatorname2, sd->iscsi_url, &sd->iscsi_lun);
 	if (sd2.iscsi_ctx == NULL) {
 		logging(LOG_VERBOSE, "Failed to login to target");
diff --git a/test-tool/test_reserve6_itnexus_loss.c b/test-tool/test_reserve6_itnexus_loss.c
index 0555f18..3dbe486 100644
--- a/test-tool/test_reserve6_itnexus_loss.c
+++ b/test-tool/test_reserve6_itnexus_loss.c
@@ -53,6 +53,7 @@ test_reserve6_itnexus_loss(void)
 
 
 	logging(LOG_VERBOSE, "Create a second connection to the target");
+	memset(&sd2, 0, sizeof(sd2));
 	sd2.iscsi_ctx = iscsi_context_login(initiatorname2, sd->iscsi_url, &sd2.iscsi_lun);
 	if (sd2.iscsi_ctx == NULL) {
 		logging(LOG_VERBOSE, "Failed to login to target");
diff --git a/test-tool/test_reserve6_logout.c b/test-tool/test_reserve6_logout.c
index 5feacba..0f3c36a 100644
--- a/test-tool/test_reserve6_logout.c
+++ b/test-tool/test_reserve6_logout.c
@@ -53,6 +53,7 @@ test_reserve6_logout(void)
 
 
 	logging(LOG_VERBOSE, "Create a second connection to the target");
+	memset(&sd2, 0, sizeof(sd2));
 	sd2.iscsi_ctx = iscsi_context_login(initiatorname2, sd->iscsi_url, &sd2.iscsi_lun);
 	if (sd2.iscsi_ctx == NULL) {
 		logging(LOG_VERBOSE, "Failed to login to target");
diff --git a/test-tool/test_reserve6_lun_reset.c b/test-tool/test_reserve6_lun_reset.c
index 9175056..04cc5d5 100644
--- a/test-tool/test_reserve6_lun_reset.c
+++ b/test-tool/test_reserve6_lun_reset.c
@@ -64,6 +64,7 @@ test_reserve6_lun_reset(void)
 
 
 	logging(LOG_VERBOSE, "Create a second connection to the target");
+	memset(&sd2, 0, sizeof(sd2));
 	sd2.iscsi_ctx = iscsi_context_login(initiatorname2, sd->iscsi_url, &sd2.iscsi_lun);
 	if (sd2.iscsi_ctx == NULL) {
 		logging(LOG_VERBOSE, "Failed to login to target");
diff --git a/test-tool/test_reserve6_target_cold_reset.c b/test-tool/test_reserve6_target_cold_reset.c
index 9b98168..e39c37b 100644
--- a/test-tool/test_reserve6_target_cold_reset.c
+++ b/test-tool/test_reserve6_target_cold_reset.c
@@ -63,6 +63,7 @@ test_reserve6_target_cold_reset(void)
 	sleep(3);
 
 	logging(LOG_VERBOSE, "Create a second connection to the target");
+	memset(&sd2, 0, sizeof(sd2));
 	sd2.iscsi_ctx = iscsi_context_login(initiatorname2, sd->iscsi_url, &sd2.iscsi_lun);
 	if (sd2.iscsi_ctx == NULL) {
 		logging(LOG_VERBOSE, "Failed to login to target");
diff --git a/test-tool/test_reserve6_target_warm_reset.c b/test-tool/test_reserve6_target_warm_reset.c
index cf31e84..1387a77 100644
--- a/test-tool/test_reserve6_target_warm_reset.c
+++ b/test-tool/test_reserve6_target_warm_reset.c
@@ -64,6 +64,7 @@ test_reserve6_target_warm_reset(void)
 
 
 	logging(LOG_VERBOSE, "Create a second connection to the target");
+	memset(&sd2, 0, sizeof(sd2));
 	sd2.iscsi_ctx = iscsi_context_login(initiatorname2, sd->iscsi_url, &sd2.iscsi_lun);
 	if (sd2.iscsi_ctx == NULL) {
 		logging(LOG_VERBOSE, "Failed to login to target");
diff --git a/test-tool/test_sanitize_reservations.c b/test-tool/test_sanitize_reservations.c
index ce133e7..973c192 100644
--- a/test-tool/test_sanitize_reservations.c
+++ b/test-tool/test_sanitize_reservations.c
@@ -49,6 +49,7 @@ test_sanitize_reservations(void)
 	}
 
 	logging(LOG_VERBOSE, "Create a second connection to the target");
+	memset(&sd2, 0, sizeof(sd2));
 	sd2.iscsi_ctx = iscsi_context_login(initiatorname2, sd->iscsi_url, &sd2.iscsi_lun);
 	if (sd2.iscsi_ctx == NULL) {
 		logging(LOG_VERBOSE, "Failed to login to target");