diff --git a/client/shaders/minimap_shader/opengl_fragment.glsl b/client/shaders/minimap_shader/opengl_fragment.glsl
index e068849b5d..dbaff433f5 100644
--- a/client/shaders/minimap_shader/opengl_fragment.glsl
+++ b/client/shaders/minimap_shader/opengl_fragment.glsl
@@ -1,4 +1,5 @@
 uniform sampler2D baseTexture;
+#define normalTexture texture1
 uniform sampler2D normalTexture;
 uniform vec3 yawVec;