diff --git a/src/gallium/frontends/rusticl/mesa/compiler/nir.rs b/src/gallium/frontends/rusticl/mesa/compiler/nir.rs
index 5fadf1810c5..ca140ae6f27 100644
--- a/src/gallium/frontends/rusticl/mesa/compiler/nir.rs
+++ b/src/gallium/frontends/rusticl/mesa/compiler/nir.rs
@@ -440,7 +440,12 @@ impl NirShader {
     pub fn get_constant_buffer(&self) -> &[u8] {
         unsafe {
             let nir = self.nir.as_ref();
-            slice::from_raw_parts(nir.constant_data.cast(), nir.constant_data_size as usize)
+            // Sometimes, constant_data can be a null pointer if the size is 0
+            if nir.constant_data_size == 0 {
+                &[]
+            } else {
+                slice::from_raw_parts(nir.constant_data.cast(), nir.constant_data_size as usize)
+            }
         }
     }