diff --git a/client/TracyCallstack.cpp b/client/TracyCallstack.cpp
index c76b24e3..6eebdd49 100644
--- a/client/TracyCallstack.cpp
+++ b/client/TracyCallstack.cpp
@@ -340,7 +340,7 @@ CallstackSymbolData DecodeSymbolAddress( uint64_t ptr )
 
 CallstackSymbolData DecodeCodeAddress( uint64_t ptr )
 {
-    CallstackSymbolData sym;
+    CallstackSymbolData sym = {};
     const auto proc = GetCurrentProcess();
     bool done = false;