diff --git a/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/internal/r/ui/datafilter/TextVariableFilter.java b/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/internal/r/ui/datafilter/TextVariableFilter.java
index 3dec2fc..67c928d 100644
--- a/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/internal/r/ui/datafilter/TextVariableFilter.java
+++ b/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/internal/r/ui/datafilter/TextVariableFilter.java
@@ -125,7 +125,7 @@
 			return old;
 		}
 		if (old.getLength() == 0 && add instanceof RCharacter32Store) {
-			return (RCharacter32Store) add;
+			return (RCharacter32Store)add;
 		}
 		final String[] values= new String[(int) Math.max(old.getLength() + add.getLength(), 10000)];
 		int i= 0;
@@ -133,7 +133,7 @@
 			values[i]= add.get(i);
 		}
 		for (int j= 0; j < add.getLength() && i < values.length; j++) {
-			final String s= add.get(i);
+			final String s= add.get(j);
 			if (!add.contains(s)) {
 				values[i++]= s;
 			}