diff --git a/appcompose/src/main/java/com/readrops/app/compose/util/Utils.kt b/appcompose/src/main/java/com/readrops/app/compose/util/Utils.kt
index f846058d..15b86444 100644
--- a/appcompose/src/main/java/com/readrops/app/compose/util/Utils.kt
+++ b/appcompose/src/main/java/com/readrops/app/compose/util/Utils.kt
@@ -9,7 +9,7 @@ object Utils {
     private const val AVERAGE_WORDS_PER_MINUTE = 250
 
     fun readTimeFromString(value: String): Double {
-        val nbWords = value.split("\\s+").size
+        val nbWords = value.split(Regex("\\s+")).size
         return nbWords.toDouble() / AVERAGE_WORDS_PER_MINUTE
     }