diff --git a/platform/lang-api/src/com/intellij/psi/util/PartiallyKnownString.kt b/platform/lang-api/src/com/intellij/psi/util/PartiallyKnownString.kt
index 87e50cc1c12f..3ea065153a12 100644
--- a/platform/lang-api/src/com/intellij/psi/util/PartiallyKnownString.kt
+++ b/platform/lang-api/src/com/intellij/psi/util/PartiallyKnownString.kt
@@ -30,7 +30,7 @@ sealed class StringEntry {
       if (sourcePsi is PsiLanguageInjectionHost) return sourcePsi to entry.range
       val parent = sourcePsi.parent
       if (parent is PsiLanguageInjectionHost) { // Kotlin interpolated string, TODO: encapsulate this logic to range retrieval
-        return parent to entry.range.shiftRight(sourcePsi.startOffsetInParent - ElementManipulators.getValueTextRange(parent).startOffset)
+        return parent to entry.range.shiftRight(sourcePsi.startOffsetInParent)
       }
       return null
     }
diff --git a/uast/uast-common/src/org/jetbrains/uast/expressions/UStringConcatenationsFacade.kt b/uast/uast-common/src/org/jetbrains/uast/expressions/UStringConcatenationsFacade.kt
index 5666aa32e0b0..3c7234361633 100644
--- a/uast/uast-common/src/org/jetbrains/uast/expressions/UStringConcatenationsFacade.kt
+++ b/uast/uast-common/src/org/jetbrains/uast/expressions/UStringConcatenationsFacade.kt
@@ -90,7 +90,7 @@ class UStringConcatenationsFacade @ApiStatus.Experimental constructor(uContext:
     val sourcePsi = segment.uExpression.sourcePsi ?: throw IllegalStateException("no sourcePsi for $segment")
     val sourcePsiTextRange = sourcePsi.textRange
     val range = segment.range
-    if (range.startOffset >= sourcePsiTextRange.startOffset)
+    if (range.startOffset > sourcePsiTextRange.startOffset)
       return range.shiftLeft(sourcePsiTextRange.startOffset)
     return ElementManipulators.getValueTextRange(sourcePsi)
   }