diff --git a/band-plan.html b/band-plan.html
index ae9b8c7..d155952 100644
--- a/band-plan.html
+++ b/band-plan.html
@@ -253,7 +253,7 @@ div>label {
 				autoColumns: "full",
 				downloadEncoder: function(fileContents, mimeType){
 					// add header and footer for a complete html file
-					let header = "<!doctype html><html><head><style>";
+					let header = "<!doctype html><html><head><meta charset=\"utf-8\"><style>";
 					for (let i = 0; i < document.styleSheets.length; i++) {
 						let css = document.styleSheets[i];
 						if (css.ownerNode.id === "link_css") {
