diff --git a/tools/build_game.py b/tools/build_game.py
index 7323de3e..3dd76eb4 100644
--- a/tools/build_game.py
+++ b/tools/build_game.py
@@ -151,8 +151,9 @@ if WIN:
 else:
     # -no-pie: the lifted modules' function tables (hundreds of thousands of pointers) need no load-time relocation.
     # $ORIGIN: a libSDL3.so.0 next to nx2navi comes before the system's (the release's portable folder).
+    # -Xlinker for the map path, as on Windows above: -Wl, would split it at any comma in the build dir path.
     LINK_FLAGS = ['-fuse-ld=lld', '-no-pie', '-Wl,-z,noexecstack', "'-Wl,-rpath,$$ORIGIN'",
-                  '"-Wl,-Map=$builddir/nx2navi.map"']
+                  '-Xlinker', '"-Map=$builddir/nx2navi.map"']
     LINK_LIBS = ['-lvulkan', '-lSDL3', '-lopus', '-ldav1d', '-lvpx', '-lzstd', '-l:libstdc++.a', '-lm', '-lpthread', '-ldl']
     VMA_INCLUDE = Path('/usr/include')   # vk_mem_alloc.h; Arch (AUR) vulkan-memory-allocator, Debian libvulkan-memory-allocator-dev
 # Without a system vk_mem_alloc.h, the header the Windows release pins (tools/make_release.py, VMA 3.4.0) is fetched once
diff --git a/tools/make_game.py b/tools/make_game.py
index 93ff692b..bb4e304c 100644
--- a/tools/make_game.py
+++ b/tools/make_game.py
@@ -1701,8 +1701,9 @@ def step_compile(out, cache_dir, msys, jobs, romfs_job=None, update=False):
         ld = (['-fuse-ld=lld'] if (msys / 'bin' / 'ld.lld.exe').is_file() else []) + ['-Wl,--stack,16777216']
     else:   # tools/build_game.py's Linux flags; the main thread's stack is the process's (ulimit -s), not the linker's
         ld = (['-fuse-ld=lld'] if shutil.which('ld.lld') else []) + ['-no-pie', '-Wl,-z,noexecstack', '-Wl,-rpath,$ORIGIN']
-    # the link map feeds tools/prof_report.py (symbols for an NX2NAVI_PROFILE sampling profile); both linkers write one
-    ld.append('-Wl,--Map=' + (cache_dir / 'ocarina.map').as_posix())
+    # the link map feeds tools/prof_report.py (symbols for an NX2NAVI_PROFILE sampling profile); both linkers write one.
+    # -Xlinker passes the path as one argument; -Wl, would cut it at every comma of the game folder's path (issue #470)
+    ld += ['-Xlinker', '--Map=' + (cache_dir / 'ocarina.map').as_posix()]
     lib = ['-Wl,--whole-archive', str(prebuilt[0]), '-Wl,--no-whole-archive'] if prebuilt else []
     stamp = [[o.name, o.stat().st_size, o.stat().st_mtime_ns] for o in objs]
     if prebuilt: