diff --git a/TDMGCC64_SDL2_build.md b/TDMGCC64_SDL2_build.md
index a96675bc7..6130744b3 100644
--- a/TDMGCC64_SDL2_build.md
+++ b/TDMGCC64_SDL2_build.md
@@ -11,5 +11,5 @@ cd build
     -DCMAKE_C_COMPILER=x86_64-w64-mingw32-gcc  -DCMAKE_CXX_COMPILER=x86_64-w64-mingw32-g++  \
     -DENABLE_QT=OFF \
     -DMINGW_HOME=/h/TDM-GCC64/ \
-    -DSDL2_PATH="G:/src/citra160603/build/externals/SDL2-2.0.4"
+    -DSDL2_PREFIX="G:/src/citra160603/build/externals/SDL2-2.0.4"
 ```