diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 49286472232..504124900ee 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -153,6 +153,7 @@ static const struct wined3d_extension_map gl_extension_map[] =
     {"GL_ARB_texture_query_levels",         ARB_TEXTURE_QUERY_LEVELS      },
     {"GL_ARB_texture_rectangle",            ARB_TEXTURE_RECTANGLE         },
     {"GL_ARB_texture_rg",                   ARB_TEXTURE_RG                },
+    {"GL_ARB_texture_rgb10_a2ui",           ARB_TEXTURE_RGB10_A2UI        },
     {"GL_ARB_timer_query",                  ARB_TIMER_QUERY               },
     {"GL_ARB_uniform_buffer_object",        ARB_UNIFORM_BUFFER_OBJECT     },
     {"GL_ARB_vertex_array_bgra",            ARB_VERTEX_ARRAY_BGRA         },
@@ -3435,6 +3436,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter)
         {ARB_INSTANCED_ARRAYS,             MAKEDWORD_VERSION(3, 3)},
         {ARB_SAMPLER_OBJECTS,              MAKEDWORD_VERSION(3, 3)},
         {ARB_SHADER_BIT_ENCODING,          MAKEDWORD_VERSION(3, 3)},
+        {ARB_TEXTURE_RGB10_A2UI,           MAKEDWORD_VERSION(3, 3)},
         {ARB_TIMER_QUERY,                  MAKEDWORD_VERSION(3, 3)},
 
         {ARB_ES2_COMPATIBILITY,            MAKEDWORD_VERSION(4, 1)},
diff --git a/dlls/wined3d/wined3d_gl.h b/dlls/wined3d/wined3d_gl.h
index b13c5515e94..a8c0db19de2 100644
--- a/dlls/wined3d/wined3d_gl.h
+++ b/dlls/wined3d/wined3d_gl.h
@@ -89,6 +89,7 @@ enum wined3d_gl_extension
     ARB_TEXTURE_QUERY_LEVELS,
     ARB_TEXTURE_RECTANGLE,
     ARB_TEXTURE_RG,
+    ARB_TEXTURE_RGB10_A2UI,
     ARB_TIMER_QUERY,
     ARB_UNIFORM_BUFFER_OBJECT,
     ARB_VERTEX_ARRAY_BGRA,