diff --git a/src/test/kotlin/com/igorwojda/string/capitalizesentence/Solution.kt b/src/test/kotlin/com/igorwojda/string/capitalizesentence/Solution.kt
index a5ff954b..b7e9019d 100644
--- a/src/test/kotlin/com/igorwojda/string/capitalizesentence/Solution.kt
+++ b/src/test/kotlin/com/igorwojda/string/capitalizesentence/Solution.kt
@@ -16,7 +16,7 @@ private object Solution2 {
     private fun capitalizeSentence(str: String): String {
         val words = mutableListOf<String>()
 
-        str.split(" ").forEach {
+        str.split(" ").filter { it.isNotEmpty() }.forEach {
             words.add(it[0].uppercase() + it.substring(1))
         }