diff --git a/bt/includes/init_tr.php b/bt/includes/init_tr.php
index e13e3b92..827a3793 100644
--- a/bt/includes/init_tr.php
+++ b/bt/includes/init_tr.php
@@ -446,8 +446,7 @@ class sql_db
 		if (!SQL_PREPEND_SRC_COMM) return 'src disabled';
 		foreach (debug_backtrace() as $trace)
 		{
-			if (empty($trace['file']) || empty($trace['line'])) continue;
-			if ($trace['file'] !== __FILE__)
+			if (!empty($trace['file']) && $trace['file'] !== __FILE__)
 			{
 				switch ($mode)
 				{
diff --git a/library/includes/cache/common.php b/library/includes/cache/common.php
index ed3cf00e..299f5119 100644
--- a/library/includes/cache/common.php
+++ b/library/includes/cache/common.php
@@ -77,8 +77,7 @@ class cache_common
 		if (!SQL_PREPEND_SRC_COMM) return 'src disabled';
 		foreach (debug_backtrace() as $trace)
 		{
-			if (empty($trace['file']) || empty($trace['line'])) continue;
-			if ($trace['file'] !== __FILE__)
+			if (!empty($trace['file']) && $trace['file'] !== __FILE__)
 			{
 				switch ($mode)
 				{
diff --git a/library/includes/core/mysql.php b/library/includes/core/mysql.php
index 6e0414dc..aaf489ed 100644
--- a/library/includes/core/mysql.php
+++ b/library/includes/core/mysql.php
@@ -829,8 +829,7 @@ class sql_db
 		if (!SQL_PREPEND_SRC_COMM) return 'src disabled';
 		foreach (debug_backtrace() as $trace)
 		{
-			if (empty($trace['file']) || empty($trace['line'])) continue;
-			if ($trace['file'] !== __FILE__)
+			if (!empty($trace['file']) && $trace['file'] !== __FILE__)
 			{
 				switch ($mode)
 				{
diff --git a/library/includes/datastore/common.php b/library/includes/datastore/common.php
index 593719bf..7f2ee604 100644
--- a/library/includes/datastore/common.php
+++ b/library/includes/datastore/common.php
@@ -168,8 +168,7 @@ class datastore_common
 		if (!SQL_PREPEND_SRC_COMM) return 'src disabled';
 		foreach (debug_backtrace() as $trace)
 		{
-			if (empty($trace['file']) || empty($trace['line'])) continue;
-			if ($trace['file'] !== __FILE__)
+			if (!empty($trace['file']) && $trace['file'] !== __FILE__)
 			{
 				switch ($mode)
 				{