diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/CallResolverUtil.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/CallResolverUtil.kt
index 334ceb8c0d4..f6a3fb54df2 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/CallResolverUtil.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/CallResolverUtil.kt
@@ -30,6 +30,7 @@ import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystem
 import org.jetbrains.kotlin.resolve.calls.inference.constraintPosition.ConstraintPositionKind.EXPECTED_TYPE_POSITION
 import org.jetbrains.kotlin.resolve.calls.inference.getNestedTypeVariables
 import org.jetbrains.kotlin.resolve.scopes.receivers.ExpressionReceiver
+import org.jetbrains.kotlin.resolve.validation.InfixValidator
 import org.jetbrains.kotlin.types.*
 import org.jetbrains.kotlin.types.TypeUtils.DONT_CARE
 import org.jetbrains.kotlin.util.OperatorNameConventions
@@ -121,6 +122,8 @@ fun isConventionCall(call: Call): Boolean {
     return calleeExpression.getNameForConventionalOperation() != null
 }
 
+fun isInfixCall(call: Call): Boolean = InfixValidator.isInfixCall(call.calleeExpression)
+
 fun getUnaryPlusOrMinusOperatorFunctionName(call: Call): Name? {
     if (call.callElement !is KtPrefixExpression) return null
     val calleeExpression = call.calleeExpression as? KtOperationReferenceExpression ?: return null
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/TaskPrioritizer.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/TaskPrioritizer.kt
index 386cca73f60..d38c2b955ea 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/TaskPrioritizer.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/TaskPrioritizer.kt
@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.psi.Call
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.resolve.calls.callResolverUtil.getUnaryPlusOrMinusOperatorFunctionName
 import org.jetbrains.kotlin.resolve.calls.callResolverUtil.isConventionCall
+import org.jetbrains.kotlin.resolve.calls.callResolverUtil.isInfixCall
 import org.jetbrains.kotlin.resolve.calls.callResolverUtil.isOrOverridesSynthesized
 import org.jetbrains.kotlin.resolve.calls.callUtil.createLookupLocation
 import org.jetbrains.kotlin.resolve.calls.context.BasicCallResolutionContext
@@ -166,7 +167,7 @@ public class TaskPrioritizer(
         if (isConventionCall(c.context.call)) {
             addMembersAndExtensionsWithFilter { d: CallableDescriptor -> d is FunctionDescriptor && d.isOperator }
         }
-        if (InfixValidator.isInfixCall(c.context.call.calleeExpression)) {
+        if (isInfixCall(c.context.call)) {
             addMembersAndExtensionsWithFilter { d: CallableDescriptor -> d is FunctionDescriptor && d.isInfix }
         }