diff --git a/AppKit/_CPPopoverWindow.j b/AppKit/_CPPopoverWindow.j
index 8ee818d79..c90cf28b6 100644
--- a/AppKit/_CPPopoverWindow.j
+++ b/AppKit/_CPPopoverWindow.j
@@ -513,6 +513,9 @@ var _CPPopoverWindow_shouldClose_    = 1 << 4,
             {
                 // We are watching opacity, so this triggers the next transition
 #if PLATFORM(DOM)
+                // We force the style to recalculate the values, this is needed to avoid a transition issue
+                // More information here : https://code.google.com/p/chromium/issues/detail?id=388082
+                [self _currentTransformMatrix];
                 _DOMElement.style.opacity = 1;
                 _DOMElement.style.height = frame.size.height + @"px";
                 _DOMElement.style.width = frame.size.width + @"px";
@@ -608,7 +611,7 @@ var _CPPopoverWindow_shouldClose_    = 1 << 4,
             _DOMElement.removeEventListener(CPBrowserStyleProperty('transitionend'), _orderFrontTransitionFunction, YES);
             _DOMElement.removeEventListener(CPBrowserStyleProperty('transitionend'), _transitionCompleteFunction, YES);
 
-            var matrix = window.getComputedStyle(_DOMElement, null)[CPBrowserStyleProperty(@"transform")],
+            var matrix = [self _currentTransformMatrix],
                 currentScale = (matrix.split('(')[1]).split(',')[0];
 
             [self setCSS3Property:@"Transform" value:@"scale(" + currentScale + ")"];
@@ -652,6 +655,13 @@ var _CPPopoverWindow_shouldClose_    = 1 << 4,
 #pragma mark -
 #pragma mark Private
 
+- (CPString)_currentTransformMatrix
+{
+#if PLATFORM(DOM)
+    return window.getComputedStyle(_DOMElement, null)[CPBrowserStyleProperty(@"transform")];
+#endif
+}
+
 - (BOOL)_hasOnlyTransientChild:(_CPPopoverWindow)aWindow
 {
     var childWindows = [aWindow childWindows];