diff --git a/com.oracle.truffle.r.test/tests/hbase/QueryGroup.R b/com.oracle.truffle.r.test/tests/hbase/QueryGroup.R
index 9affb62d80f3a2b18f6cdff11e1fb2d373db205c..48064f5148b11c44cad001d7ac2103bfbc977554 100644
--- a/com.oracle.truffle.r.test/tests/hbase/QueryGroup.R
+++ b/com.oracle.truffle.r.test/tests/hbase/QueryGroup.R
@@ -3,7 +3,7 @@ q = groupby(function (x) c(x$deptno),
     select(function (x) {
              res = new.env()
              res$deptno = x$deptno
-             res$sum = sum(x$sal)
+             res$sumSal = sum(x$sal)
              res },
     from(emp)))
 results = query.force(q)
diff --git a/com.oracle.truffle.r.test/tests/hbase/QueryGroup.out b/com.oracle.truffle.r.test/tests/hbase/QueryGroup.out
index 9ae2c6f8a527d4b94d4fbf25063a29fe4ba7daa4..5739114066855bf44b32225bcdd22826843a82cd 100644
--- a/com.oracle.truffle.r.test/tests/hbase/QueryGroup.out
+++ b/com.oracle.truffle.r.test/tests/hbase/QueryGroup.out
@@ -1,5 +1,5 @@
-  deptno   sum
-1      1  4047
-2      3 13356
-3      2 15810
+  sumsal deptno
+1   4047      1
+2  13356      3
+3  15810      2
 
diff --git a/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.R b/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.R
index e3dce4eb3c1610165eb745e40f5814397fcc300f..e6d75226340dc3d90448df8822d07aeb2e1e8e4c 100644
--- a/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.R
+++ b/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.R
@@ -3,7 +3,7 @@ q = groupby(function (x) c(x$deptno),
     select(function (x) {
              res = new.env()
              res$deptno = x$deptno
-             res$sum = sum(x$sal)
+             res$sumSal = sum(x$sal)
              res },
     from(emp)))
 results = query.force(q)
diff --git a/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.out b/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.out
index 9ae2c6f8a527d4b94d4fbf25063a29fe4ba7daa4..5739114066855bf44b32225bcdd22826843a82cd 100644
--- a/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.out
+++ b/com.oracle.truffle.r.test/tests/pgsql/QueryGroup.out
@@ -1,5 +1,5 @@
-  deptno   sum
-1      1  4047
-2      3 13356
-3      2 15810
+  sumsal deptno
+1   4047      1
+2  13356      3
+3  15810      2