diff --git a/lib/util.js b/lib/util.js
index 85799ff..e5bdb33 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -31,16 +31,16 @@ function * newTotalExecTimeField (db) {
 
   // error checks
   let newTotalExecTimeField = newTotalExecTimeFieldRaw.split('\n')
-  if (newTotalExecTimeField.length != 6) {
+  if (newTotalExecTimeField.length !== 6) {
     throw new Error('Unable to determine database version')
   }
   newTotalExecTimeField = newTotalExecTimeFieldRaw.split('\n')[2].trim()
 
-  if (newTotalExecTimeField != 't' && newTotalExecTimeField != 'f') {
+  if (newTotalExecTimeField !== 't' && newTotalExecTimeField !== 'f') {
     throw new Error(`Unable to determine database version, expected "t" or "f", got: "${newTotalExecTimeField}"`)
   }
 
-  return newTotalExecTimeField == 't'
+  return newTotalExecTimeField === 't'
 }
 
 module.exports = {