diff --git a/cmake.sh b/cmake.sh
index 9a8b40b..c350015 100755
--- a/cmake.sh
+++ b/cmake.sh
@@ -153,7 +153,11 @@ generate_configuration() {
 	fi
 
 	GEN_DIR="${BUILD_DIR}"
-	[ "x${SINGLE_TYPE}" == "xn" ] && GEN_DIR="${BUILD_DIR}/${BUILD}"
+	if [ "x${SINGLE_TYPE}" == "xn" ]; then
+		GEN_DIR="${BUILD_DIR}/${BUILD}"
+	else
+		GEN_DIR="${BUILD_DIR}/${SINGLE_TYPE}"
+	fi
 	[ -d "${GEN_DIR}" ] && return 0
 	mkdir -p "${GEN_DIR}"
 	pushd "${GEN_DIR}" 2>/dev/null