diff --git a/embassy-stm32/build.rs b/embassy-stm32/build.rs
index 2b642db84..1257e0152 100644
--- a/embassy-stm32/build.rs
+++ b/embassy-stm32/build.rs
@@ -49,7 +49,7 @@ fn main() {
                 // We *shouldn't* have singletons for these, but the HAL currently requires
                 // singletons, for using with RccPeripheral to enable/disable clocks to them.
                 "rcc" => {
-                    if r.version == "h7" {
+                    if r.version.starts_with("h7") {
                         singletons.push("MCO1".to_string());
                         singletons.push("MCO2".to_string());
                     }
@@ -436,7 +436,7 @@ fn main() {
                     // MCO is special
                     if pin.signal.starts_with("MCO_") {
                         // Supported in H7 only for now
-                        if regs.version == "h7" {
+                        if regs.version.starts_with("h7") {
                             peri = format_ident!("{}", pin.signal.replace("_", ""));
                         } else {
                             continue;