diff --git a/install.sh b/install.sh
index 23d65db..9bffcef 100755
--- a/install.sh
+++ b/install.sh
@@ -143,11 +143,11 @@ function install_x86_dos() {
 		git clone https://github.com/andrewwutw/build-djgpp.git work/build-djgpp
 	fi
 
-	#if [[ ! -f x-tools/${PLATFORM}/toolchain.cmake ]]; then
+	if [[ ! -f x-tools/djgpp/setenv ]]; then
 		pushd work/build-djgpp
 			./build-djgpp.sh 12.2.0
 		popd
-	#fi
+	fi
 }