diff --git a/embassy-net/src/device.rs b/embassy-net/src/device.rs
index 650af23b8..5daa00544 100644
--- a/embassy-net/src/device.rs
+++ b/embassy-net/src/device.rs
@@ -60,6 +60,10 @@ where
         smolcaps.checksum.tcp = convert(caps.checksum.tcp);
         smolcaps.checksum.udp = convert(caps.checksum.udp);
         smolcaps.checksum.icmpv4 = convert(caps.checksum.icmpv4);
+        #[cfg(feature = "proto-ipv6")]
+        {
+            smolcaps.checksum.icmpv6 = convert(caps.checksum.icmpv6);
+        }
 
         smolcaps
     }
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index ff38440a7..bcf976416 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -9,7 +9,7 @@ embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["de
 embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["defmt", "integrated-timers"] }
 embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32h743bi", "time-driver-any", "exti", "unstable-pac", "unstable-traits"] }
-embassy-net = { path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet", "unstable-traits"] }
+embassy-net = { path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet", "unstable-traits", "proto-ipv6"] }
 embedded-io = { version = "0.4.0", features = ["async"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }