diff --git a/tools/psyq-obj-parser/psyq-obj-parser.cc b/tools/psyq-obj-parser/psyq-obj-parser.cc
index 6f5eb4b64..efe24be75 100644
--- a/tools/psyq-obj-parser/psyq-obj-parser.cc
+++ b/tools/psyq-obj-parser/psyq-obj-parser.cc
@@ -125,7 +125,8 @@ struct PsyqLnkFile {
     struct Expression;
 
     /* The main parser entry point; will return nullptr on error */
-    static std::unique_ptr<PsyqLnkFile> parse(PCSX::IO<PCSX::File> file, bool verbose, bool sorted);
+    static std::unique_ptr<PsyqLnkFile> parse(PCSX::IO<PCSX::File> file, bool verbose, bool sorted,
+                                              bool convertCommToBss);
     static std::string readPsyqString(PCSX::IO<PCSX::File> file) { return file->readString(file->byte()); }
 
     /* Our list of sections and symbols will be keyed by their id from the LNK file */
@@ -164,6 +165,7 @@ struct PsyqLnkFile {
             EXPORTED,
             IMPORTED,
             UNINITIALIZED,
+            COMM,
         } symbolType;
         uint16_t sectionIndex;
         uint32_t offset = 0;
@@ -172,7 +174,7 @@ struct PsyqLnkFile {
         ELFIO::Elf_Word elfSym;
         uint16_t getKey() { return getLow(); }
         uint32_t getOffset(PsyqLnkFile* psyq) const {
-            if (symbolType == Type::UNINITIALIZED) {
+            if (symbolType == Type::UNINITIALIZED || symbolType == Type::COMM) {
                 auto section = psyq->sections.find(sectionIndex);
                 assert(section != psyq->sections.end());
                 return section->data.size() + section->zeroes + offset;
@@ -243,7 +245,8 @@ struct PsyqLnkFile {
 };
 
 /* The psyq LNK parser code */
-std::unique_ptr<PsyqLnkFile> PsyqLnkFile::parse(PCSX::IO<PCSX::File> file, bool verbose, bool sorted) {
+std::unique_ptr<PsyqLnkFile> PsyqLnkFile::parse(PCSX::IO<PCSX::File> file, bool verbose, bool sorted,
+                                                bool convertCommToBss) {
     std::unique_ptr<PsyqLnkFile> ret = std::make_unique<PsyqLnkFile>();
     vprint(":: Reading signature.\n");
     std::string signature = file->readString(3);
@@ -291,7 +294,7 @@ std::unique_ptr<PsyqLnkFile> PsyqLnkFile::parse(PCSX::IO<PCSX::File> file, bool
                     // Static bss symbols will be represented as a ZEROES opcode instead of UNINITIALIZED.
                     // This will cause them to have a size of zero, so ignore size zero symbols here.
                     // Their relocs will resolve to an offset of the local .bss instead, so this causes no issues.
-                    if (symbol.size > 0) {
+                    if (symbol.size > 0 && symbol.symbolType != PsyqLnkFile::Symbol::Type::COMM) {
                         auto section = ret->sections.find(symbol.sectionIndex);
                         if (section != ret->sections.end() && section->isBss()) {
                             auto align = std::min((uint32_t)section->alignment, symbol.size) - 1;
@@ -498,7 +501,11 @@ std::unique_ptr<PsyqLnkFile> PsyqLnkFile::parse(PCSX::IO<PCSX::File> file, bool
                 std::string name = readPsyqString(file);
 
                 Symbol* symbol = new Symbol();
-                symbol->symbolType = Symbol::Type::UNINITIALIZED;
+                if (convertCommToBss) {
+                    symbol->symbolType = Symbol::Type::UNINITIALIZED;
+                } else {
+                    symbol->symbolType = Symbol::Type::COMM;
+                }
                 symbol->sectionIndex = sectionIndex;
                 symbol->size = size;
                 symbol->name = name;
@@ -970,7 +977,9 @@ bool PsyqLnkFile::Symbol::generateElfSymbol(PsyqLnkFile* psyq, ELFIO::string_sec
     bool isWeak = false;
 
     fmt::print("    :: Generating symbol {} {} {}\n", name, getOffset(psyq), sectionIndex);
-    if (symbolType != Type::IMPORTED) {
+    if (symbolType == Type::COMM) {
+        elfSectionIndex = ELFIO::SHN_COMMON;
+    } else if (symbolType != Type::IMPORTED) {
         auto section = psyq->sections.find(sectionIndex);
         if (section == psyq->sections.end()) {
             psyq->setElfConversionError("Couldn't find section index {} for symbol {} ('{}')", sectionIndex, getKey(),
@@ -1387,7 +1396,8 @@ bool PsyqLnkFile::Relocation::generateElf(ElfRelocationPass pass, const std::str
                     psyq->setElfConversionError("Couldn't find symbol {} for relocation.", expr->symbolIndex);
                     return false;
                 }
-                if (symbol->symbolType != PsyqLnkFile::Symbol::Type::IMPORTED) {
+                if (symbol->symbolType != PsyqLnkFile::Symbol::Type::IMPORTED &&
+                    symbol->symbolType != PsyqLnkFile::Symbol::Type::COMM) {
                     return localSymbolReloc(symbol->sectionIndex, symbol->getOffset(psyq) + addend);
                 }
                 if (pass == ElfRelocationPass::PASS1) {
@@ -1536,6 +1546,7 @@ Usage: {} input.obj [input2.obj...] [-h] [-v] [-d] [-n] [-p prefix] [-o output.o
   -o output.o    tries to dump the parsed psyq LNK file into an ELF file;
                  can only work with a single input file.
   -b             outputs a big-endian ELF file.
+  -c             converts comm symbols into .bss symbols
 )",
                    argv[0]);
         return -1;
@@ -1551,7 +1562,7 @@ Usage: {} input.obj [input2.obj...] [-h] [-v] [-d] [-n] [-p prefix] [-o output.o
             fmt::print(stderr, "Unable to open file: {}\n", input);
             ret = -2;
         } else {
-            auto psyq = PsyqLnkFile::parse(file, verbose, !!args.get<bool>("s"));
+            auto psyq = PsyqLnkFile::parse(file, verbose, !!args.get<bool>("s"), !!args.get<bool>("c"));
             if (!psyq) {
                 ret = -3;
             } else {