diff --git a/src/valid/type.rs b/src/valid/type.rs
index af2e6fa706..85678d6ab8 100644
--- a/src/valid/type.rs
+++ b/src/valid/type.rs
@@ -356,9 +356,16 @@ impl super::Validator {
                     TypeFlags::empty()
                 };
 
+                let alignment = if let As::PhysicalStorage { .. } = space {
+                    // Buffer pointers require proper alignment.
+                    Alignment::BUFFER_POINTER
+                } else {
+                    Alignment::ONE
+                };
+
                 TypeInfo::new(
                     data_flag | argument_flag | TypeFlags::SIZED | TypeFlags::COPY,
-                    Alignment::ONE,
+                    alignment,
                 )
             }
             Ti::ValuePointer {
@@ -396,9 +403,16 @@ impl super::Validator {
                     TypeFlags::empty()
                 };
 
+                let alignment = if let As::PhysicalStorage { .. } = space {
+                    // Buffer pointers require proper alignment.
+                    Alignment::BUFFER_POINTER
+                } else {
+                    Alignment::ONE
+                };
+
                 TypeInfo::new(
                     data_flag | argument_flag | TypeFlags::SIZED | TypeFlags::COPY,
-                    Alignment::ONE,
+                    alignment,
                 )
             }
             Ti::Array { base, size, stride } => {