diff --git a/chrome/content/zotero/tools/csledit.xul b/chrome/content/zotero/tools/csledit.xul
index 02e56bdd4..5d3c72c86 100644
--- a/chrome/content/zotero/tools/csledit.xul
+++ b/chrome/content/zotero/tools/csledit.xul
@@ -132,9 +132,10 @@
 				// Generate bibliography
 				var bibliography = '<hr/><h1>Bibliography</h1>' + 
 					csl.formatBibliography(itemSet, "HTML");
-				iframe.contentDocument.documentElement.innerHTML =
-					citations + 
-					multCitations + bibliography;
+				iframe.contentDocument.documentElement.innerHTML = 
+					'<div style="white-space: pre">'
+					+ citations + multCitations + bibliography
+					+ '</div>';
 			}
 			
 			
diff --git a/chrome/content/zotero/tools/cslpreview.xul b/chrome/content/zotero/tools/cslpreview.xul
index 8333e5f5e..e4ce7b010 100644
--- a/chrome/content/zotero/tools/cslpreview.xul
+++ b/chrome/content/zotero/tools/cslpreview.xul
@@ -133,7 +133,8 @@
 			
 				// Generate bibliography
 				var bibliography = '<p>' + csl.formatBibliography(itemSet, "HTML");
-				return citations + bibliography;
+				return '<div style="white-space: pre">' +
+					citations + bibliography + '</div>';
 			}