diff --git a/test/functional/sqlsrv/MsCommon.inc b/test/functional/sqlsrv/MsCommon.inc
index 117e9de4..12201417 100644
--- a/test/functional/sqlsrv/MsCommon.inc
+++ b/test/functional/sqlsrv/MsCommon.inc
@@ -452,6 +452,14 @@ function setUSAnsiLocale()
     }
 }
 
+function resetLocaleToDefault()
+{
+    // Like setUSAnsiLocale() above, this method is only needed in non-Windows environment
+    if (!isWindows()) {
+        setlocale(LC_ALL, null);
+    }
+}
+
 // non-UTF8 locale support in ODBC 17 and above only
 // if AE enabled, only supported in Windows (AE limitations)
 function isLocaleSupported()
diff --git a/test/functional/sqlsrv/TC34_PrepAndExec.phpt b/test/functional/sqlsrv/TC34_PrepAndExec.phpt
index 1af83b51..3e4f5672 100644
--- a/test/functional/sqlsrv/TC34_PrepAndExec.phpt
+++ b/test/functional/sqlsrv/TC34_PrepAndExec.phpt
@@ -107,6 +107,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     prepareAndExecute(5);
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC42_FetchField.phpt b/test/functional/sqlsrv/TC42_FetchField.phpt
index f41102da..d605bcea 100644
--- a/test/functional/sqlsrv/TC42_FetchField.phpt
+++ b/test/functional/sqlsrv/TC42_FetchField.phpt
@@ -85,6 +85,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     fetchFields();
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC43_FetchData.phpt b/test/functional/sqlsrv/TC43_FetchData.phpt
index adeec7d2..ffa3ce1c 100644
--- a/test/functional/sqlsrv/TC43_FetchData.phpt
+++ b/test/functional/sqlsrv/TC43_FetchData.phpt
@@ -115,6 +115,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     fetchFields();
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC44_FetchArray.phpt b/test/functional/sqlsrv/TC44_FetchArray.phpt
index 217c6e1a..66e26c02 100644
--- a/test/functional/sqlsrv/TC44_FetchArray.phpt
+++ b/test/functional/sqlsrv/TC44_FetchArray.phpt
@@ -170,6 +170,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     fetchRow(1, 4);
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC45_FetchObject.phpt b/test/functional/sqlsrv/TC45_FetchObject.phpt
index dc138cb7..c93c9aa9 100644
--- a/test/functional/sqlsrv/TC45_FetchObject.phpt
+++ b/test/functional/sqlsrv/TC45_FetchObject.phpt
@@ -145,6 +145,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     fetchRow(0, 2);
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC46_FetchNextResult.phpt b/test/functional/sqlsrv/TC46_FetchNextResult.phpt
index 05f83552..0da23e5b 100644
--- a/test/functional/sqlsrv/TC46_FetchNextResult.phpt
+++ b/test/functional/sqlsrv/TC46_FetchNextResult.phpt
@@ -103,6 +103,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     fetchFields();
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC48_FetchScrollable.phpt b/test/functional/sqlsrv/TC48_FetchScrollable.phpt
index 9019d03b..0b3df349 100644
--- a/test/functional/sqlsrv/TC48_FetchScrollable.phpt
+++ b/test/functional/sqlsrv/TC48_FetchScrollable.phpt
@@ -154,6 +154,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     fetchRow(10);
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC51_StreamRead.phpt b/test/functional/sqlsrv/TC51_StreamRead.phpt
index 5ac598a3..6412f458 100644
--- a/test/functional/sqlsrv/TC51_StreamRead.phpt
+++ b/test/functional/sqlsrv/TC51_StreamRead.phpt
@@ -148,6 +148,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     streamRead(20, 1);
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/TC55_StreamScrollable.phpt b/test/functional/sqlsrv/TC55_StreamScrollable.phpt
index 0965c6d0..c3127efa 100644
--- a/test/functional/sqlsrv/TC55_StreamScrollable.phpt
+++ b/test/functional/sqlsrv/TC55_StreamScrollable.phpt
@@ -184,6 +184,7 @@ endTest($testName);
 startTest($testName);
 try {
     setUTF8Data(true);
+    resetLocaleToDefault();
     streamScroll(20, 1);
 } catch (Exception $e) {
     echo $e->getMessage();
diff --git a/test/functional/sqlsrv/test_stream_large_data.phpt b/test/functional/sqlsrv/test_stream_large_data.phpt
index b7db404a..909e3e69 100644
--- a/test/functional/sqlsrv/test_stream_large_data.phpt
+++ b/test/functional/sqlsrv/test_stream_large_data.phpt
@@ -264,6 +264,7 @@ else {
 
 // test utf8
 setUTF8Data(true);
+resetLocaleToDefault();
 runtest();
 
 ?>