diff --git a/bin/pt-archiver b/bin/pt-archiver
index 3bade8ee..ffad2fe3 100755
--- a/bin/pt-archiver
+++ b/bin/pt-archiver
@@ -2408,6 +2408,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-deadlock-logger b/bin/pt-deadlock-logger
index 7c6cc4e7..25d60d17 100755
--- a/bin/pt-deadlock-logger
+++ b/bin/pt-deadlock-logger
@@ -1599,6 +1599,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-duplicate-key-checker b/bin/pt-duplicate-key-checker
index 720b7652..b11bede9 100755
--- a/bin/pt-duplicate-key-checker
+++ b/bin/pt-duplicate-key-checker
@@ -575,6 +575,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-find b/bin/pt-find
index d083d7db..81f4e2a5 100755
--- a/bin/pt-find
+++ b/bin/pt-find
@@ -2080,6 +2080,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-index-usage b/bin/pt-index-usage
index 31dfa4f4..625f831d 100755
--- a/bin/pt-index-usage
+++ b/bin/pt-index-usage
@@ -4064,6 +4064,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-online-schema-change b/bin/pt-online-schema-change
index dd7a4b07..2c25373f 100755
--- a/bin/pt-online-schema-change
+++ b/bin/pt-online-schema-change
@@ -1600,6 +1600,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-slave-find b/bin/pt-slave-find
index aa60cd5d..f55a9a67 100755
--- a/bin/pt-slave-find
+++ b/bin/pt-slave-find
@@ -2854,6 +2854,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-slave-restart b/bin/pt-slave-restart
index 1047c32d..90ae54ef 100755
--- a/bin/pt-slave-restart
+++ b/bin/pt-slave-restart
@@ -1719,6 +1719,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-table-checksum b/bin/pt-table-checksum
index db2300da..c44c7ffc 100755
--- a/bin/pt-table-checksum
+++ b/bin/pt-table-checksum
@@ -2224,6 +2224,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-table-sync b/bin/pt-table-sync
index 6038ea51..c97437a5 100755
--- a/bin/pt-table-sync
+++ b/bin/pt-table-sync
@@ -2080,6 +2080,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-upgrade b/bin/pt-upgrade
index f87ea877..f8ee43d2 100755
--- a/bin/pt-upgrade
+++ b/bin/pt-upgrade
@@ -8677,6 +8677,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };
diff --git a/bin/pt-variable-advisor b/bin/pt-variable-advisor
index d1de38b2..8d6a9670 100755
--- a/bin/pt-variable-advisor
+++ b/bin/pt-variable-advisor
@@ -1961,6 +1961,7 @@ sub BUILDARGS {
       if ( blessed($_[0]) && $_[0]->can("selectrow_hashref") ) {
          PTDEBUG && _d("VersionParser got a dbh, trying to get the version");
          my $dbh = $_[0];
+         local $dbh->{FetchHashKeyName} = 'NAME_lc';
          my $query = eval {
             $dbh->selectall_arrayref(q<SHOW VARIABLES LIKE 'version%'>, { Slice => {} })
          };