diff --git a/ets2panda/checker/types/ets/etsObjectType.cpp b/ets2panda/checker/types/ets/etsObjectType.cpp
index e1564d8e3b9701b06649411ec445ed7accf314c0..7f07ea057c76b1794e255c218bbf10e45325fac4 100644
--- a/ets2panda/checker/types/ets/etsObjectType.cpp
+++ b/ets2panda/checker/types/ets/etsObjectType.cpp
@@ -253,7 +253,13 @@ void ETSObjectType::CollectSignaturesForSyntheticType(std::multimap<size_t, Sign
     }
 
     if (superType_ != nullptr && ((flags & PropertySearchFlags::SEARCH_IN_BASE) != 0)) {
-        return superType_->CollectSignaturesForSyntheticType(signatureSet, name, flags);
+        superType_->CollectSignaturesForSyntheticType(signatureSet, name, flags);
+    }
+
+    if ((flags & PropertySearchFlags::SEARCH_IN_INTERFACES) != 0) {
+        for (auto *interface : interfaces_) {
+            interface->CollectSignaturesForSyntheticType(signatureSet, name, flags);
+        }
     }
 }
 
diff --git a/ets2panda/checker/types/ets/etsObjectType.h b/ets2panda/checker/types/ets/etsObjectType.h
index 3894142c7753f7c35db4ed515c6713354dff8683..82b7b190aa2317a7ad82fc3dcae5f7089522a31f 100644
--- a/ets2panda/checker/types/ets/etsObjectType.h
+++ b/ets2panda/checker/types/ets/etsObjectType.h
@@ -405,8 +405,8 @@ protected:
     virtual ETSFunctionType *CreateMethodTypeForProp(const util::StringView &name) const;
 
 private:
-    void CollectSignaturesForSyntheticType(std::multimap<size_t, Signature *> &signatures,
-                                           const util::StringView &name, PropertySearchFlags flags) const;
+    void CollectSignaturesForSyntheticType(std::multimap<size_t, Signature *> &signatures, const util::StringView &name,
+                                           PropertySearchFlags flags) const;
 
     template <size_t... IS>
     explicit ETSObjectType(ArenaAllocator *allocator, util::StringView name, util::StringView assemblerName,
diff --git a/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp b/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp
index 131b839841f6acfa1a58afbf6b6ff607f7730151..0683c5bc79ef2594f20c48a812c5f0c6329bafc3 100644
--- a/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp
+++ b/ets2panda/compiler/lowering/ets/constantExpressionLowering.cpp
@@ -461,7 +461,7 @@ static bool PerformRelationOperation(InputType left, InputType right, lexer::Tok
         }
         case lexer::TokenType::PUNCTUATOR_STRICT_EQUAL:
         case lexer::TokenType::PUNCTUATOR_EQUAL: {
-                return left == right;
+            return left == right;
         }
         case lexer::TokenType::PUNCTUATOR_NOT_STRICT_EQUAL:
         case lexer::TokenType::PUNCTUATOR_NOT_EQUAL: {
diff --git a/ets2panda/compiler/lowering/ets/opAssignment.cpp b/ets2panda/compiler/lowering/ets/opAssignment.cpp
index 8f9c6584b1a5071c2ea10dfdb6acc7f13f14664c..427de9932e1b5738305c44598d4c0e2aa9906e0f 100644
--- a/ets2panda/compiler/lowering/ets/opAssignment.cpp
+++ b/ets2panda/compiler/lowering/ets/opAssignment.cpp
@@ -193,9 +193,11 @@ static std::string GetCastString(checker::ETSChecker *checker, ir::Expression *e
     return " as @@T" + std::to_string(vec.size());
 }
 
-static ir::Expression *GenerateLoweredResultForLoweredAssignment(
-    const lexer::TokenType opEqual, ir::MemberExpression *expr, checker::ETSChecker *const checker,
-    parser::ETSParser *parser, ir::Expression * additionalAssignmentExpression)
+static ir::Expression *GenerateLoweredResultForLoweredAssignment(const lexer::TokenType opEqual,
+                                                                 ir::MemberExpression *expr,
+                                                                 checker::ETSChecker *const checker,
+                                                                 parser::ETSParser *parser,
+                                                                 ir::Expression *additionalAssignmentExpression)
 {
     auto *allocator = checker->Allocator();
     // Generated a formatString for the new lowered assignment expression
@@ -250,7 +252,7 @@ static ir::Expression *ConstructOpAssignmentResult(public_lib::Context *ctx, ir:
     if (left->IsIdentifier()) {
         std::string formatString =
             "@@I1 = (@@I2 " + std::string(lexer::TokenToString(CombinedOpToOp(opEqual))) + " (@@E3))";
-        ArenaVector<ir::Expression *> retVec (allocator->Adapter());
+        ArenaVector<ir::Expression *> retVec(allocator->Adapter());
         retVec.push_back(GetClone(allocator, left->AsIdentifier()));
         retVec.push_back(GetClone(allocator, left->AsIdentifier()));
         retVec.push_back(right);
@@ -258,8 +260,7 @@ static ir::Expression *ConstructOpAssignmentResult(public_lib::Context *ctx, ir:
         retVal = parser->CreateFormattedExpression(formatString, retVec);
     } else if (left->IsMemberExpression()) {
         // Generate ArkTS code string for new lowered assignment expression:
-        retVal = GenerateLoweredResultForLoweredAssignment(opEqual, left->AsMemberExpression(), checker, parser,
-                                                           right);
+        retVal = GenerateLoweredResultForLoweredAssignment(opEqual, left->AsMemberExpression(), checker, parser, right);
     } else {
         ES2PANDA_UNREACHABLE();
     }