diff --git a/src/nostalgia/core/gba/gfx.cpp b/src/nostalgia/core/gba/gfx.cpp
index 2561e5a2..d050db48 100644
--- a/src/nostalgia/core/gba/gfx.cpp
+++ b/src/nostalgia/core/gba/gfx.cpp
@@ -17,7 +17,7 @@
 
 namespace nostalgia::core {
 
-ox::Array<BgCbbData, 4> g_cbbData;
+static ox::Array<BgCbbData, 4> g_cbbData;
 
 constexpr auto GbaTileColumns = 32;
 constexpr auto GbaTileRows = 32;