1 files changed, 4 insertions, 1 deletions
diff --git a/src/protozero/filtering/message_filter.cc b/src/protozero/filtering/message_filter.cc
index ff283f869..9808b0cf8 100644
--- a/src/protozero/filtering/message_filter.cc
+++ b/src/protozero/filtering/message_filter.cc
@@ -18,6 +18,7 @@
 
 #include "perfetto/base/logging.h"
 #include "perfetto/protozero/proto_utils.h"
+#include "src/protozero/filtering/string_filter.h"
 
 namespace protozero {
 
@@ -162,7 +163,9 @@ void MessageFilter::FilterOneByte(uint8_t octet) {
     } else if (state->action == StackState::kFilterString) {
       *(out_++) = octet;
       if (state->eat_next_bytes == 0) {
-        // TODO(lalitm): do the filtering using |filter_string_ptr|.
+        string_filter_.MaybeFilter(
+            reinterpret_cast<char*>(state->filter_string_ptr),
+            static_cast<size_t>(out_ - state->filter_string_ptr));
       }
     }
   } else {