diff --git a/.github/workflows/plugins.yml b/.github/workflows/plugins.yml
index 274f6280f..74d80778f 100644
--- a/.github/workflows/plugins.yml
+++ b/.github/workflows/plugins.yml
@@ -141,7 +141,7 @@ jobs:
     steps:
       - name: Checkout sources
         if: ${{ matrix.distrib == 'el7' }}
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@v3 # el7 is not compatible with checkout v4 which uses node20
 
       - name: Checkout sources
         if: ${{ matrix.distrib != 'el7' }}
diff --git a/.github/workflows/tests-functional.yml b/.github/workflows/tests-functional.yml
index a3d2f13e6..a9978146f 100644
--- a/.github/workflows/tests-functional.yml
+++ b/.github/workflows/tests-functional.yml
@@ -48,6 +48,11 @@ jobs:
             Net::SNMP
             URI::Encode
             XML::LibXML
+            DBI
+            DBD::mysql
+            POSIX
+            Time::HiRes
+            JSON::XS
 
       - name: Install Python
         uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
@@ -71,3 +76,6 @@ jobs:
           sudo cp -r tests/resources/snmp/* /usr/snmpsim/data/
           snmpsimd --agent-udpv4-endpoint=127.0.0.1:2024 --process-user=snmp --process-group=snmp &
           robot tests/functional/snmp
+
+      - name: Run Robot Framework Database tests
+        run: robot tests/functional/database
diff --git a/src/centreon/common/protocols/sql/mode/sqlstring.pm b/src/centreon/common/protocols/sql/mode/sqlstring.pm
index a76d686de..8acb399fc 100644
--- a/src/centreon/common/protocols/sql/mode/sqlstring.pm
+++ b/src/centreon/common/protocols/sql/mode/sqlstring.pm
@@ -96,12 +96,13 @@ sub check_options {
     $self->{printf_value} = 'value_field';
     if (defined($self->{option_results}->{printf_value}) && $self->{option_results}->{printf_value} ne '') {
         $self->{printf_value} = $1
-            if ($self->{option_results}->{printf_value} =~ /\$self->{result_values}->{(value_field|key_field)}/);
+            if ($self->{option_results}->{printf_value} =~ /\$self->\{result_values}->\{(value_field|key_field)}/);
         $self->{printf_value} = $1
-            if ($self->{option_results}->{printf_value} =~ /\%{(value_field|key_field)}/);
+            if ($self->{option_results}->{printf_value} =~ /\%\{(value_field|key_field)}/);
         $self->{printf_value} = $1
             if ($self->{option_results}->{printf_value} =~ /\%\((value_field|key_field)\)/);
     }
+
 }
 
 sub manage_selection {
@@ -170,8 +171,8 @@ Specify a custom output message relying on printf formatting. If this option is
 
 =item B<--printf-value>
 
-Specify scalar used to replace in printf. If this option is set --printf-format is mandatory.
-(can be: %{key_field}, %{value_field})
+Specify variable used to replace in printf. If this option is set --printf-format is mandatory.
+Can be: %{key_field} (default value) or %{value_field}
 
 =item B<--warning-string>
 
diff --git a/tests/functional/database/database-mysql.robot b/tests/functional/database/database-mysql.robot
new file mode 100644
index 000000000..7f0a51dd6
--- /dev/null
+++ b/tests/functional/database/database-mysql.robot
@@ -0,0 +1,36 @@
+*** Settings ***
+Documentation       Database Mysql plugin
+
+Library             OperatingSystem
+Library             Process
+Library             String
+
+Test Timeout        120s
+
+
+*** Variables ***
+${CENTREON_PLUGINS}         ${CURDIR}${/}..${/}..${/}..${/}src${/}centreon_plugins.pl
+
+${CMD}                      perl ${CENTREON_PLUGINS} --plugin=database::mysql::plugin
+
+&{sql_string_test1}
+...                         result=UNKNOWN: Need to specify data_source arguments.
+@{sql_string_tests}
+...                         &{sql_string_test1}
+
+
+*** Test Cases ***
+Database Mysql sql string mode
+    [Documentation]    Mode sql string (common protocol database)
+    [Tags]    database    mysql    sql-string
+    FOR    ${sql_string_test}    IN    @{sql_string_tests}
+        ${command}    Catenate
+        ...    ${CMD}
+        ...    --mode=sql-string
+        ${output}    Run    ${command}
+        ${output}    Strip String    ${output}
+        Should Be Equal As Strings
+        ...    ${output}
+        ...    ${sql_string_test.result}
+        ...    Wrong output result for compliance of ${sql_string_test.result}{\n}Command output:{\n}${output}{\n}{\n}{\n}
+    END