diff --git a/phpBB/styles/prosilver/template/editor.js b/phpBB/styles/prosilver/template/editor.js
index cfdb54f54b..c16b0ef703 100644
--- a/phpBB/styles/prosilver/template/editor.js
+++ b/phpBB/styles/prosilver/template/editor.js
@@ -219,7 +219,7 @@ function addquote(post_id, username, l_wrote)
 
 	// Get text selection - not only the post content :(
 	// IE9 must use the document.selection method but has the *.getSelection so we just force no IE
-	if (window.getSelection && !is_ie)
+	if (window.getSelection && !is_ie && !window.opera)
 	{
 		theSelection = window.getSelection().toString();
 	}
@@ -456,4 +456,4 @@ function getCaretPosition(txtarea)
 	}
 
 	return caretPos;
-}
\ No newline at end of file
+}
diff --git a/phpBB/styles/subsilver2/template/editor.js b/phpBB/styles/subsilver2/template/editor.js
index 7cc5de9034..151cf53ff1 100644
--- a/phpBB/styles/subsilver2/template/editor.js
+++ b/phpBB/styles/subsilver2/template/editor.js
@@ -221,7 +221,7 @@ function addquote(post_id, username, l_wrote)
 
 	// Get text selection - not only the post content :(
 	// IE9 must use the document.selection method but has the *.getSelection so we just force no IE
-	if (window.getSelection && !is_ie)
+	if (window.getSelection && !is_ie && !window.opera)
 	{
 		theSelection = window.getSelection().toString();
 	}
@@ -459,4 +459,4 @@ function getCaretPosition(txtarea)
 	}
 
 	return caretPos;
-}
\ No newline at end of file
+}