diff --git a/js/documents.js b/js/documents.js
index f9cab1c7..ff7d4000 100644
--- a/js/documents.js
+++ b/js/documents.js
@@ -128,7 +128,7 @@ var documentsMain = {
 			documentsMain.UI.showOverlay();
 		}
 		
-		var webodfSource = (oc_debug !== true) ? 'webodf-debug' : 'webodf';
+		var webodfSource = (oc_debug === true) ? 'webodf-debug' : 'webodf';
 		OC.addScript('documents', '3rdparty/webodf/' + webodfSource).done(function() {
 			// preload stuff in the background
 			require({}, ["dojo/ready"], function(ready) {
diff --git a/js/viewer/viewer.js b/js/viewer/viewer.js
index 213fb770..4d4534e9 100644
--- a/js/viewer/viewer.js
+++ b/js/viewer/viewer.js
@@ -37,7 +37,7 @@ var odfViewer = {
 		OC.addStyle('documents', 'viewer/webodf');
 		OC.addStyle('documents', 'viewer/odfviewer');
 		
-		var webodfSource = (oc_debug !== true) ? 'webodf-debug' : 'webodf';
+		var webodfSource = (oc_debug === true) ? 'webodf-debug' : 'webodf';
 		
 		OC.addScript('documents', '3rdparty/webodf/' + webodfSource, function() {
 			var location = fileDownloadPath($('#dir').val(), filename);