diff --git a/Source/Core/VideoCommon/BoundingBox.cpp b/Source/Core/VideoCommon/BoundingBox.cpp
index 6a4af2aca6..1c007677e0 100644
--- a/Source/Core/VideoCommon/BoundingBox.cpp
+++ b/Source/Core/VideoCommon/BoundingBox.cpp
@@ -23,11 +23,11 @@ u8 texMtxIdx[8];
 
 
 // Internal vars
-SetupUnit vtxUnit;
-VAT myVat;
-u8 * bufferPos;
-TVtxDesc vertexDesc;
-PortableVertexDeclaration vertexDecl;
+static SetupUnit vtxUnit;
+static VAT myVat;
+static u8 * bufferPos;
+static TVtxDesc vertexDesc;
+static PortableVertexDeclaration vertexDecl;
 
 // Gets the pointer to the current buffer position
 void LOADERDECL SetVertexBufferPosition()