diff --git a/glsl/block_fragment.glsl b/glsl/block_fragment.glsl
index f250e89..dab8184 100644
--- a/glsl/block_fragment.glsl
+++ b/glsl/block_fragment.glsl
@@ -1,5 +1,6 @@
 #version 330 core
 
+uniform sampler2DArray block_texture_array;
 out vec4 fragment_color;
 
 void main()