diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b654b5d..76fc1b4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -107,7 +107,7 @@ jobs:
           cd theseus/third-party/bgfx
           ../bx/tools/bin/linux/genie --gcc=linux-gcc gmake
           make -C .build/projects/gmake-linux-gcc -j$(nproc) \
-               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 
       - name: Build libdatachannel
         # See the macOS job: no lib means xCloud quietly compiles out.
@@ -175,7 +175,7 @@ jobs:
           find .build/projects/gmake-linux-gcc -name '*.make' -exec \
                sed -i -e 's/-m64//g' -e 's/-mfpmath=sse//g' -e 's/-msse4.2//g' {} +
           make -C .build/projects/gmake-linux-gcc -j$(nproc) \
-               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 
       - name: Build libdatachannel
         # See the macOS job: no lib means xCloud quietly compiles out.
@@ -282,7 +282,7 @@ jobs:
           make -C .build/projects/gmake-mingw-gcc -j$(nproc) \
                bx bimg bgfx config=release64 \
                CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++ \
-               CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+               CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 
       - name: Fetch mingw deps (openssl, opus, ffmpeg)
         # OpenSSL and opus come prebuilt from MSYS2; ffmpeg is built here,
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cd6f216..6cb6ae8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -213,7 +213,7 @@ jobs:
           cd theseus/third-party/bgfx
           ../bx/tools/bin/linux/genie --gcc=linux-gcc gmake
           make -C .build/projects/gmake-linux-gcc -j$(nproc) \
-               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 
       - name: Build libdatachannel
         # See the macOS job: no lib means xCloud quietly compiles out.
@@ -343,7 +343,7 @@ jobs:
           find .build/projects/gmake-linux-gcc -name '*.make' -exec \
                sed -i -e 's/-m64//g' -e 's/-mfpmath=sse//g' -e 's/-msse4.2//g' {} +
           make -C .build/projects/gmake-linux-gcc -j$(nproc) \
-               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+               bx bimg bgfx config=release64 CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 
       - name: Build libdatachannel
         # See the macOS job: no lib means xCloud quietly compiles out.
@@ -497,7 +497,7 @@ jobs:
           make -C .build/projects/gmake-mingw-gcc -j$(nproc) \
                bx bimg bgfx config=release64 \
                CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++ \
-               CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+               CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 
       - name: Fetch mingw deps (openssl, opus, ffmpeg)
         # OpenSSL and opus come prebuilt from MSYS2; ffmpeg is built here,
diff --git a/docs/desktop/building.md b/docs/desktop/building.md
index ae7d58b..30a7718 100644
--- a/docs/desktop/building.md
+++ b/docs/desktop/building.md
@@ -42,16 +42,16 @@ make -C .build/projects/gmake-osx-arm64 -j$(sysctl -n hw.ncpu) bx bimg bgfx conf
 # Linux
 ../bx/tools/bin/linux/genie --gcc=linux-gcc gmake
 make -C .build/projects/gmake-linux-gcc -j$(nproc) bx bimg bgfx config=release64 \
-     CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+     CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 
 # Windows, cross from Linux
 ../bx/tools/bin/linux/genie --gcc=mingw-gcc gmake
 make -C .build/projects/gmake-mingw-gcc -j$(nproc) bx bimg bgfx config=release64 \
      CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++ \
-     CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL=33
+     CXXFLAGS=-DBGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33
 ```
 
-The OpenGL renderer needs `BGFX_CONFIG_RENDERER_OPENGL=33`. Without it bgfx targets OpenGL 2.1, compiles the shaders as GLSL 1.20, and strict drivers reject them, which leaves a black screen and then a crash.
+The OpenGL renderer needs `BGFX_CONFIG_RENDERER_OPENGL_MIN_VERSION=33`. Without it bgfx targets OpenGL 2.1, compiles the shaders as GLSL 1.20, and strict drivers reject them, which leaves a black screen and then a crash.
 
 Always give `-j` a number. A bare `-j` starts every compile at once, and on a small machine that runs it out of memory and can freeze the whole desktop. If a low RAM machine with no swap still struggles, use a smaller number than the core count. The same goes for every `make` and `cmake --build` below.