diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.cc b/src/core/ext/transport/chttp2/transport/hpack_parser.cc
index 18abbda..9789983 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_parser.cc
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.cc
@@ -1052,7 +1052,7 @@ class HPackParser::Parser {
 
  private:
   void GPR_ATTRIBUTE_NOINLINE LogHeader(const HPackTable::Memento& memento) {
-    const char* type;
+    const char* type = nullptr;
     switch (log_info_.type) {
       case LogInfo::kHeaders:
         type = "HDR";