diff --git a/package-lock.json b/package-lock.json
index ba44081..646bcba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-ganttastic",
-  "version": "0.9.24",
+  "version": "0.9.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b0b781d..aec2de5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-ganttastic",
-  "version": "0.9.25",
+  "version": "0.9.3",
   "description": "A simple and customizable Gantt chart component for Vue.js",
   "repository": {
     "type": "git",
diff --git a/src/GGanttBar.vue b/src/GGanttBar.vue
index be23b77..5cac4ff 100644
--- a/src/GGanttBar.vue
+++ b/src/GGanttBar.vue
@@ -303,13 +303,13 @@ export default {
         switch(overlapType){
           case "left":
             minuteDiff = overlapEndMoment.diff(currentStartMoment, "minutes", true) + this.getMinGapBetweenBars()
-            overlapBar[this.barEnd] = moment(currentBar[this.barStart]).subtract(this.getMinGapBetweenBars(), "minutes", true)
-            overlapBar[this.barStart] = overlapStartMoment.subtract(minuteDiff, "minutes", true)
+            overlapBar[this.barEnd] = currentStartMoment.subtract(this.getMinGapBetweenBars(), "minutes", true).format("YYYY-MM-DD HH:mm:ss")
+            overlapBar[this.barStart] = overlapStartMoment.subtract(minuteDiff, "minutes", true).format("YYYY-MM-DD HH:mm:ss")
             break
           case "right":
             minuteDiff = currentEndMoment.diff(overlapStartMoment, "minutes", true) + this.getMinGapBetweenBars()
-            overlapBar[this.barStart] = moment(currentBar[this.barEnd]).add(this.getMinGapBetweenBars(), "minutes", true)
-            overlapBar[this.barEnd] = overlapEndMoment.add(minuteDiff, "minutes", true)
+            overlapBar[this.barStart] = currentEndMoment.add(this.getMinGapBetweenBars(), "minutes", true).format("YYYY-MM-DD HH:mm:ss")
+            overlapBar[this.barEnd] = overlapEndMoment.add(minuteDiff, "minutes", true).format("YYYY-MM-DD HH:mm:ss")
             break
           default:
             // eslint-disable-next-line
diff --git a/src/GGanttChart.vue b/src/GGanttChart.vue
index 306a11a..f52c548 100644
--- a/src/GGanttChart.vue
+++ b/src/GGanttChart.vue
@@ -52,8 +52,8 @@ export default {
     rowLabelWidth: {type: String, default: "10%"},
     rowHeight: {type: Number, default: 40},
     locale: {type: String, default: "en"},
-    theme: String,
-    grid: Boolean,
+    theme: {type: String},
+    grid: {type: Boolean},
     highlightedHours: {type: Array, default: () => []},
     width: {type: String, default: "100%"},   // the total width of the entire ganttastic component in %
     pushOnOverlap: {type: Boolean},