diff --git a/embassy-nrf/src/util.rs b/embassy-nrf/src/util.rs
index 42265dc2..cd0f5949 100644
--- a/embassy-nrf/src/util.rs
+++ b/embassy-nrf/src/util.rs
@@ -23,7 +23,7 @@ pub(crate) fn slice_in_ram<T>(slice: *const [T]) -> bool {
 #[cfg(not(feature = "nrf51"))]
 pub(crate) fn slice_in_ram_or<T, E>(slice: *const [T], err: E) -> Result<(), E> {
     let (_, len) = slice_ptr_parts(slice);
-    if len > 0 && slice_in_ram(slice) {
+    if len == 0 || slice_in_ram(slice) {
         Ok(())
     } else {
         Err(err)