diff --git a/tools/inspector_protocol/encoding/encoding.cc b/tools/inspector_protocol/encoding/encoding.cc
index 46bd67bc1356b5..636281dd8ad894 100644
--- a/tools/inspector_protocol/encoding/encoding.cc
+++ b/tools/inspector_protocol/encoding/encoding.cc
@@ -850,8 +850,9 @@ void CBORTokenizer::ReadNextToken(bool enter_envelope) {
           // We check the the payload in token_start_internal_value_ against
           // that range (2^31-1 is also known as
           // std::numeric_limits<int32_t>::max()).
-          if (!bytes_read || token_start_internal_value_ >
-                                 std::numeric_limits<int32_t>::max()) {
+          if (!bytes_read ||
+	      static_cast<int64_t>(token_start_internal_value_) >
+                static_cast<int64_t>(std::numeric_limits<int32_t>::max())) {
             SetError(Error::CBOR_INVALID_INT32);
             return;
           }
diff --git a/tools/inspector_protocol/lib/encoding_cpp.template b/tools/inspector_protocol/lib/encoding_cpp.template
index 47662e71baf8de..d3646491140663 100644
--- a/tools/inspector_protocol/lib/encoding_cpp.template
+++ b/tools/inspector_protocol/lib/encoding_cpp.template
@@ -858,8 +858,9 @@ void CBORTokenizer::ReadNextToken(bool enter_envelope) {
           // We check the the payload in token_start_internal_value_ against
           // that range (2^31-1 is also known as
           // std::numeric_limits<int32_t>::max()).
-          if (!bytes_read || token_start_internal_value_ >
-                                 std::numeric_limits<int32_t>::max()) {
+          if (!bytes_read ||
+	        static_cast<int64_t>(token_start_internal_value_) >
+                  static_cast<int64_t>(std::numeric_limits<int32_t>::max())) {
             SetError(Error::CBOR_INVALID_INT32);
             return;
           }