diff --git a/cmake.sh b/cmake.sh
index ccbc4c8..6148204 100755
--- a/cmake.sh
+++ b/cmake.sh
@@ -178,13 +178,11 @@ EOF
 
 export -f generate_configuration
 
-BUILD_TYPES=()
-
 if [ "x$SINGLE_TYPE" != "xn" ]; then
 	BUILD_TYPES=("${SINGLE_TYPE}")
 else
-	[ "x$QTCREATOR" == "xy" ] && BUILD_TYPES=("${BUILD_TYPES[@]}" "${QTCREATOR_BUILD_TYPES[@]}")
-	[ "x$CMAKE" == "xy" ] && BUILD_TYPES=("${BUILD_TYPES[@]}" "${CMAKE_BUILD_TYPES[@]}")
+	[ "x$QTCREATOR" == "xy" ] && BUILD_TYPES=("${QTCREATOR_BUILD_TYPES[@]}")
+	[ "x$CMAKE" == "xy" ] && BUILD_TYPES=("${CMAKE_BUILD_TYPES[@]}")
 fi
 
 if [ ${#BUILD_TYPES[@]} -eq 0 ]; then