1 files changed, 9 insertions, 8 deletions
diff --git a/lib/handlebars/compiler/helpers.js b/lib/handlebars/compiler/helpers.js
index 1c8ab0d..f2edfa1 100644
--- a/lib/handlebars/compiler/helpers.js
+++ b/lib/handlebars/compiler/helpers.js
@@ -124,19 +124,20 @@ export function prepareBlock(openBlock, program, inverseAndProgram, close, inver
 
 export function prepareProgram(statements, loc) {
   if (!loc && statements.length) {
-    const first = statements[0].loc,
-          last = statements[statements.length - 1].loc;
+    const firstLoc = statements[0].loc,
+          lastLoc = statements[statements.length - 1].loc;
 
-    if (first && last) {
+    /* istanbul ignore else */
+    if (firstLoc && lastLoc) {
       loc = {
-        source: first.source,
+        source: firstLoc.source,
         start: {
-          line: first.start.line,
-          column: first.start.column
+          line: firstLoc.start.line,
+          column: firstLoc.start.column
         },
         end: {
-          line: last.end.line,
-          column: last.end.column
+          line: lastLoc.end.line,
+          column: lastLoc.end.column
         }
       };
     }