diff --git a/src/fuzz/fuzz-lldp.c b/src/fuzz/fuzz-lldp.c
index e88632cfe6..db79371797 100644
--- a/src/fuzz/fuzz-lldp.c
+++ b/src/fuzz/fuzz-lldp.c
@@ -13,7 +13,7 @@
 static int test_fd[2] = { -1, -1 };
 
 int lldp_network_bind_raw_socket(int ifindex) {
-        if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, test_fd) < 0)
+        if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0, test_fd) < 0)
                 return -errno;
 
         return test_fd[0];
diff --git a/src/fuzz/fuzz-ndisc-rs.c b/src/fuzz/fuzz-ndisc-rs.c
index 7f2d8f8649..8a692149e6 100644
--- a/src/fuzz/fuzz-ndisc-rs.c
+++ b/src/fuzz/fuzz-ndisc-rs.c
@@ -13,7 +13,7 @@
 static int test_fd[2];
 
 int icmp6_bind_router_solicitation(int index) {
-        assert_se(socketpair(AF_UNIX, SOCK_DGRAM, 0, test_fd) >= 0);
+        assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, test_fd) >= 0);
         return test_fd[0];
 }