diff --git a/Utilities/Thread.cpp b/Utilities/Thread.cpp
index e3d06c5e1c..99ed4a16fc 100644
--- a/Utilities/Thread.cpp
+++ b/Utilities/Thread.cpp
@@ -2489,7 +2489,7 @@ u64 thread_ctrl::get_thread_affinity_mask()
 		return 0;
 	}
 
-	u64 result;
+	u64 result = 0;
 
 	for (u32 core = 0; core < 64u; core++)
 	{