diff --git a/plugins/tests/check_disk.t b/plugins/tests/check_disk.t
index d6099bb3..a81f447a 100755
--- a/plugins/tests/check_disk.t
+++ b/plugins/tests/check_disk.t
@@ -6,4 +6,4 @@ use Test::More;
 if (! -e "./tests/test_check_disk") {
 	plan skip_all => "./test_check_disk not compiled - please enable libtap library to test";
 }
-exec "./tests/test_check_disk";
+system("./tests/test_check_disk");
diff --git a/plugins/tests/check_snmp.t b/plugins/tests/check_snmp.t
index 2bdbfed1..9a238a1d 100755
--- a/plugins/tests/check_snmp.t
+++ b/plugins/tests/check_snmp.t
@@ -279,4 +279,5 @@ like($res->output, '/.*4.20.* | iso.3.6.1.4.1.8072.3.2.67.19=4.20+;1/', "Test mu
 if (! -e "./tests/test_check_snmp") {
 	plan skip_all => "./test_check_snmp not compiled - please enable libtap library to test";
 }
-exec "./tests/test_check_snmp";
+
+system("./tests/test_check_snmp");
diff --git a/plugins/tests/check_swap.t b/plugins/tests/check_swap.t
index b3768d7f..91ed8683 100755
--- a/plugins/tests/check_swap.t
+++ b/plugins/tests/check_swap.t
@@ -6,4 +6,4 @@ use Test::More;
 if (! -e "./tests/test_check_swap") {
     plan skip_all => "./test_check_swap not compiled - please enable libtap library to test";
 }
-exec "./tests/test_check_swap";
+system("./tests/test_check_swap");