diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index dd3adbf70a62f..f5cbbc7ca9198 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -1365,7 +1365,7 @@ pub fn build_global_var_di_node<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId, glo
             is_local_to_unit,
             global,
             None,
-            global_align.bytes() as u32,
+            global_align.bits() as u32,
         );
     }
 }
diff --git a/src/test/codegen/debug-alignment.rs b/src/test/codegen/debug-alignment.rs
new file mode 100644
index 0000000000000..f6c1062e0fc6c
--- /dev/null
+++ b/src/test/codegen/debug-alignment.rs
@@ -0,0 +1,8 @@
+// Verifies that DWARF alignment is specified properly.
+//
+// compile-flags: -C debuginfo=2
+#![crate_type = "lib"]
+
+// CHECK: !DIGlobalVariable
+// CHECK: align: 32
+pub static A: u32 = 1;