diff --git a/src/Magnum/GL/Context.cpp b/src/Magnum/GL/Context.cpp
index 93a59094b..502aa02bb 100644
--- a/src/Magnum/GL/Context.cpp
+++ b/src/Magnum/GL/Context.cpp
@@ -110,6 +110,7 @@ constexpr Extension ExtensionList[]{
     Extensions::KHR::texture_compression_astc_hdr{},
     Extensions::KHR::texture_compression_astc_ldr{},
     Extensions::KHR::texture_compression_astc_sliced_3d{},
+    Extensions::NV::depth_buffer_float{},
     Extensions::NV::fragment_shader_barycentric{},
     Extensions::NV::sample_locations{},
     Extensions::OVR::multiview{},
@@ -135,8 +136,7 @@ constexpr Extension ExtensionList300[]{
     Extensions::EXT::texture_shared_exponent{},
     Extensions::EXT::transform_feedback{},
     Extensions::MAGNUM::shader_vertex_id{},
-    Extensions::NV::conditional_render{},
-    Extensions::NV::depth_buffer_float{}
+    Extensions::NV::conditional_render{}
 };
 constexpr Extension ExtensionList310[]{
     Extensions::ARB::copy_buffer{},
diff --git a/src/Magnum/GL/Extensions.h b/src/Magnum/GL/Extensions.h
index cf5b8f7f7..0845000c3 100644
--- a/src/Magnum/GL/Extensions.h
+++ b/src/Magnum/GL/Extensions.h
@@ -261,7 +261,7 @@ namespace AMD {
     _extension(171,MAGNUM,shader_vertex_id,             GL300, GL300)
 } namespace NV {
     _extension(175,NV,primitive_restart,                GL210, GL310) // #285
-    _extension(176,NV,depth_buffer_float,               GL210, GL300) // #334
+    _extension(176,NV,depth_buffer_float,               GL210,  None) // #334
     _extension(177,NV,conditional_render,               GL210, GL300) // #346
     /* NV_draw_texture not supported */                               // #430
     _extension(178,NV,sample_locations,                 GL210,  None) // #472