diff --git a/checkout_glslang_spirv_tools.sh b/checkout_glslang_spirv_tools.sh
index abc5a586..b45c355f 100755
--- a/checkout_glslang_spirv_tools.sh
+++ b/checkout_glslang_spirv_tools.sh
@@ -21,7 +21,7 @@ cd ../..
 echo "Building glslang."
 mkdir -p external/glslang-build
 cd external/glslang-build
-cmake ../glslang -DCMAKE_BUILD_TYPE=Release
+cmake ../glslang -DCMAKE_BUILD_TYPE=Release -G"Unix Makefiles"
 make -j$(nproc)
 cd ../..
 
@@ -51,7 +51,7 @@ cd ../..
 echo "Building SPIRV-Tools."
 mkdir -p external/spirv-tools-build
 cd external/spirv-tools-build
-cmake ../spirv-tools -DCMAKE_BUILD_TYPE=Release
+cmake ../spirv-tools -DCMAKE_BUILD_TYPE=Release -G"Unix Makefiles"
 make -j$(nproc)
 cd ../..