diff --git a/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp b/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp
index a1178041a25d96004157c6bb120f1a1bacfd93eb..15f4b31cede0df801ea613935cb7a22e99bbf8c1 100644
--- a/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp
+++ b/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp
@@ -649,7 +649,7 @@ static ir::AstNode *HandleMultiplicativeExpression(const ir::BinaryExpression *e
 {
     auto left = expr->Left()->AsLiteral();
     auto right = expr->Right()->AsLiteral();
-    if (!IsConvertibleToNumericType(left) && !IsConvertibleToNumericType(right)) {
+    if (!IsConvertibleToNumericType(left) || !IsConvertibleToNumericType(right)) {
         LogError(context, diagnostic::WRONG_OPERAND_TYPE_FOR_BINARY_EXPRESSION, {}, expr->Start());
         return CreateErrorIdentifier(expr, context->allocator);
     }
@@ -755,7 +755,7 @@ static ir::AstNode *HandleAdditiveExpression(const ir::BinaryExpression *expr, p
         return PerformStringAdditiveOperation(expr, context);
     }
 
-    if (!IsConvertibleToNumericType(left) && !IsConvertibleToNumericType(right)) {
+    if (!IsConvertibleToNumericType(left) || !IsConvertibleToNumericType(right)) {
         LogError(context, diagnostic::WRONG_OPERAND_TYPE_FOR_BINARY_EXPRESSION, {}, expr->Start());
         return CreateErrorIdentifier(expr, context->allocator);
     }
@@ -834,7 +834,7 @@ static ir::AstNode *HandleShiftExpression(const ir::BinaryExpression *expr, publ
     auto right = expr->Right()->AsLiteral();
     auto opType = expr->OperatorType();
 
-    if (!IsConvertibleToNumericType(left) && !IsConvertibleToNumericType(right)) {
+    if (!IsConvertibleToNumericType(left) || !IsConvertibleToNumericType(right)) {
         LogError(context, diagnostic::WRONG_OPERAND_TYPE_FOR_BINARY_EXPRESSION, {}, expr->Start());
         return CreateErrorIdentifier(expr, context->allocator);
     }