diff --git a/cmd/geth/testdata/logging/logtest-logfmt.txt b/cmd/geth/testdata/logging/logtest-logfmt.txt
index 6205f41635..114569e467 100644
--- a/cmd/geth/testdata/logging/logtest-logfmt.txt
+++ b/cmd/geth/testdata/logging/logtest-logfmt.txt
@@ -39,8 +39,8 @@ t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg="Inserted known block" number=1012 hash=
 t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg="Inserted new block" number=1 hash=0x0000000000000000000000000000000000000000000000000000000000001235 txs=2 gas=1123 other=second
 t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg="Inserted known block" number=99 hash=0x0000000000000000000000000000000000000000000000000000000000012322 txs=10 gas=1 other=third
 t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=warn msg="Inserted known block" number=1012 hash=0x0000000000000000000000000000000000000000000000000000000000001234 txs=200 gas=99 other=fourth
-t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg=(*big.Int)(nil) <nil>=nil
-t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg=(*uint256.Int)(nil) <nil>=nil
+t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg=(*big.Int)(nil) <nil>=<nil>
+t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg=(*uint256.Int)(nil) <nil>=<nil>
 t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg=(fmt.Stringer)(nil) res=<nil>
 t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg=nil-concrete-stringer res=<nil>
 t=xxxx-xx-xxTxx:xx:xx+xxxx lvl=info msg="error(nil) " res=<nil>
diff --git a/cmd/geth/testdata/logging/logtest-terminal.txt b/cmd/geth/testdata/logging/logtest-terminal.txt
index 5118261f7f..4da3f49d46 100644
--- a/cmd/geth/testdata/logging/logtest-terminal.txt
+++ b/cmd/geth/testdata/logging/logtest-terminal.txt
@@ -40,13 +40,13 @@ INFO [xx-xx|xx:xx:xx.xxx] Inserted known block                     number=1012 h
 INFO [xx-xx|xx:xx:xx.xxx] Inserted new block                       number=1    hash=000000..001235 txs=2   gas=1123      other=second
 INFO [xx-xx|xx:xx:xx.xxx] Inserted known block                     number=99   hash=000000..012322 txs=10  gas=1         other=third
 WARN [xx-xx|xx:xx:xx.xxx] Inserted known block                     number=1012 hash=000000..001234 txs=200 gas=99        other=fourth
-INFO [xx-xx|xx:xx:xx.xxx] (*big.Int)(nil)                          <nil>=nil
-INFO [xx-xx|xx:xx:xx.xxx] (*uint256.Int)(nil)                      <nil>=nil
-INFO [xx-xx|xx:xx:xx.xxx] (fmt.Stringer)(nil)                      res=nil
-INFO [xx-xx|xx:xx:xx.xxx] nil-concrete-stringer                    res=nil
-INFO [xx-xx|xx:xx:xx.xxx] error(nil)                               res=nil
+INFO [xx-xx|xx:xx:xx.xxx] (*big.Int)(nil)                          <nil>=<nil>
+INFO [xx-xx|xx:xx:xx.xxx] (*uint256.Int)(nil)                      <nil>=<nil>
+INFO [xx-xx|xx:xx:xx.xxx] (fmt.Stringer)(nil)                      res=<nil>
+INFO [xx-xx|xx:xx:xx.xxx] nil-concrete-stringer                    res=<nil>
+INFO [xx-xx|xx:xx:xx.xxx] error(nil)                               res=<nil>
 INFO [xx-xx|xx:xx:xx.xxx] nil-concrete-error                       res=
 INFO [xx-xx|xx:xx:xx.xxx] nil-custom-struct                        res=<nil>
-INFO [xx-xx|xx:xx:xx.xxx] raw nil                                  res=nil
+INFO [xx-xx|xx:xx:xx.xxx] raw nil                                  res=<nil>
 INFO [xx-xx|xx:xx:xx.xxx] (*uint64)(nil)                           res=<nil>
 INFO [xx-xx|xx:xx:xx.xxx] Using keys 't', 'lvl', 'time', 'level' and 'msg' t=t time=time lvl=lvl level=level msg=msg