diff --git a/libpandafile/debug_info_extractor.cpp b/libpandafile/debug_info_extractor.cpp
index 4f853e4aa226d7781b697c25546b2ae021bb42e5..105fd4bbbd318ce509b7d7b69f3b5f44d5916d7b 100644
--- a/libpandafile/debug_info_extractor.cpp
+++ b/libpandafile/debug_info_extractor.cpp
@@ -224,7 +224,8 @@ private:
 
         auto adjust_opcode = static_cast<uint8_t>(static_cast<uint8_t>(opcode) - LineNumberProgramItem::OPCODE_BASE);
         auto pc_offset = static_cast<uint32_t>(adjust_opcode / LineNumberProgramItem::LINE_RANGE);
-        int32_t line_offset = adjust_opcode % LineNumberProgramItem::LINE_RANGE + LineNumberProgramItem::LINE_BASE;
+        int32_t line_offset =
+            static_cast<int32_t>(adjust_opcode) % LineNumberProgramItem::LINE_RANGE + LineNumberProgramItem::LINE_BASE;
         state_.AdvancePc(pc_offset);
         state_.AdvanceLine(line_offset);
         lnt_.push_back({state_.GetAddress(), state_.GetLine()});