diff --git a/Library/OcAppleKernelLib/CpuidPatches.c b/Library/OcAppleKernelLib/CpuidPatches.c
index e2600736ed3..c860eec5fb0 100644
--- a/Library/OcAppleKernelLib/CpuidPatches.c
+++ b/Library/OcAppleKernelLib/CpuidPatches.c
@@ -1959,6 +1959,11 @@ PatchProvideCurrentCpuInfo (
 
     ZeroMem (CacheLineSizes, sizeof (CacheLineSizes));
 
+    //
+    // CacheSizes[] init
+    //
+    ZeroMem (CacheSizes, sizeof (CacheSizes));
+
     //
     // Build CPU info struct
     //