diff --git a/src/trace_processor/trace_processor_shell.cc b/src/trace_processor/trace_processor_shell.cc
index fd8af99..2ee3e27 100644
--- a/src/trace_processor/trace_processor_shell.cc
+++ b/src/trace_processor/trace_processor_shell.cc
@@ -71,7 +71,7 @@
 void SetupLineEditor() {}
 
 void FreeLine(char* line) {
-  free(line);
+  delete[] line;
 }
 
 char* GetLine(const char* prompt) {