diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/KotlinIndexers.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/KotlinIndexers.kt
index ba83f221ae8..fad2bd15222 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/KotlinIndexers.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/KotlinIndexers.kt
@@ -45,12 +45,13 @@ class KotlinFilterLexer(table: OccurrenceConsumer): BaseFilterLexer(JetLexer(),
             JetTokens.RBRACKET, JetTokens.SEMICOLON, JetTokens.COMMA, JetTokens.DOT
     )
 
-    private var previousTokens = LinkedList<IElementType>()
+    private val previousTokens = LinkedList<IElementType>()
 
     override fun advance() {
         fun isMultiDeclarationPosition(): Boolean {
-            return previousTokens[0] == JetTokens.VAL_KEYWORD || previousTokens[0] == JetTokens.VAR_KEYWORD
-                   || previousTokens[0] == JetTokens.LPAR && previousTokens[1] == JetTokens.FOR_KEYWORD
+            return previousTokens.firstOrNull() == JetTokens.VAL_KEYWORD
+                   || previousTokens.firstOrNull() == JetTokens.VAR_KEYWORD
+                   || previousTokens.size() == 2 && previousTokens[0] == JetTokens.LPAR && previousTokens[1] == JetTokens.FOR_KEYWORD
         }
 
         val tokenType = myDelegate.getTokenType()