diff --git a/detekt-rules-errorprone/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableType.kt b/detekt-rules-errorprone/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableType.kt
index 2e9c3231441..76f77fb282f 100644
--- a/detekt-rules-errorprone/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableType.kt
+++ b/detekt-rules-errorprone/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableType.kt
@@ -47,6 +47,6 @@ class CastToNullableType(config: Config = Config.empty) : Rule(config) {
 
         val message = "Use the safe cast ('as? ${nullableTypeElement.innerType?.text}')" +
             " instead of 'as ${nullableTypeElement.text}'."
-        report(CodeSmell(issue, Entity.from(expression), message))
+        report(CodeSmell(issue, Entity.from(operationReference), message))
     }
 }
diff --git a/detekt-rules-errorprone/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableTypeSpec.kt b/detekt-rules-errorprone/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableTypeSpec.kt
index 02e832c6b45..b112884f9e3 100644
--- a/detekt-rules-errorprone/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableTypeSpec.kt
+++ b/detekt-rules-errorprone/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/bugs/CastToNullableTypeSpec.kt
@@ -16,7 +16,7 @@ class CastToNullableTypeSpec {
         """.trimIndent()
         val findings = subject.compileAndLint(code)
         assertThat(findings).hasSize(1)
-        assertThat(findings).hasStartSourceLocation(2, 22)
+        assertThat(findings).hasStartSourceLocation(2, 24)
         assertThat(findings[0]).hasMessage("Use the safe cast ('as? String') instead of 'as String?'.")
     }