diff --git a/ql/lib/semmle/go/dataflow/internal/tainttracking1/TaintTrackingImpl.qll b/ql/lib/semmle/go/dataflow/internal/tainttracking1/TaintTrackingImpl.qll
index acb029c23d9..7f7d5bbb883 100644
--- a/ql/lib/semmle/go/dataflow/internal/tainttracking1/TaintTrackingImpl.qll
+++ b/ql/lib/semmle/go/dataflow/internal/tainttracking1/TaintTrackingImpl.qll
@@ -93,7 +93,7 @@ abstract class Configuration extends DataFlow::Configuration {
   predicate isSanitizerGuard(DataFlow::BarrierGuard guard) { none() }
 
   final override predicate isBarrierGuard(DataFlow::BarrierGuard guard) {
-    this.isSanitizerGuard(guard)
+    this.isSanitizerGuard(guard) or defaultTaintSanitizerGuard(guard)
   }
 
   /**
diff --git a/ql/lib/semmle/go/dataflow/internal/tainttracking2/TaintTrackingImpl.qll b/ql/lib/semmle/go/dataflow/internal/tainttracking2/TaintTrackingImpl.qll
index acb029c23d9..7f7d5bbb883 100644
--- a/ql/lib/semmle/go/dataflow/internal/tainttracking2/TaintTrackingImpl.qll
+++ b/ql/lib/semmle/go/dataflow/internal/tainttracking2/TaintTrackingImpl.qll
@@ -93,7 +93,7 @@ abstract class Configuration extends DataFlow::Configuration {
   predicate isSanitizerGuard(DataFlow::BarrierGuard guard) { none() }
 
   final override predicate isBarrierGuard(DataFlow::BarrierGuard guard) {
-    this.isSanitizerGuard(guard)
+    this.isSanitizerGuard(guard) or defaultTaintSanitizerGuard(guard)
   }
 
   /**