diff --git a/src/lib.rs b/src/lib.rs
index c06448c6..4bb1a66a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -60,9 +60,7 @@ macro_rules! kernel_module {
         #[link_section = ".modinfo"]
         #[allow(non_upper_case_globals)]
         // TODO: Generate a name the same way the kernel's `__MODULE_INFO` does.
-        // TODO: This needs to be a `&'static [u8]`, since the kernel defines this as a
-        // `const char []`.
-        pub static $name: &'static str = concat!(stringify!($name), "=", $value);
+        pub static $name: &'static [u8] = concat!(stringify!($name), "=", $value, '\0').as_bytes();
     };
 }
 
diff --git a/tests/sysctl/src/lib.rs b/tests/sysctl/src/lib.rs
index 45fbc871..84e9a052 100644
--- a/tests/sysctl/src/lib.rs
+++ b/tests/sysctl/src/lib.rs
@@ -1,4 +1,5 @@
 #![no_std]
+#![feature(const_str_as_bytes)]
 
 use core::sync::atomic::AtomicBool;