diff --git a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/data/NativeDataAccess.java b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/data/NativeDataAccess.java
index de9ff2b821a97f48a5dc9189edde8caa77b27dd2..ca135af186ac25e35c4de669ca66c7969d556a67 100644
--- a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/data/NativeDataAccess.java
+++ b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/data/NativeDataAccess.java
@@ -202,7 +202,7 @@ public final class NativeDataAccess {
 
     @TruffleBoundary
     private static NativeMirror putMirrorObject(Object arg, RObject obj) {
-        NativeMirror mirror;
+        NativeMirror mirror; 
         obj.setNativeMirror(mirror = arg instanceof CustomNativeMirror ? new NativeMirror(((CustomNativeMirror) arg).getCustomMirrorAddress()) : new NativeMirror());
         // System.out.println(String.format("adding %16x = %s", mirror.id,
         // obj.getClass().getSimpleName()));