diff --git a/test/test_core.py b/test/test_core.py
index b4810f185a707..de40cbd9834ec 100644
--- a/test/test_core.py
+++ b/test/test_core.py
@@ -8751,8 +8751,7 @@ def test_mallinfo(self):
   @parameterized({
     '': ([],),
     'emmalloc': (['-sMALLOC=emmalloc'],),
-    # TODO: investigate removing `-sABORTING_MALLOC=0`, as it's only needed for `wasm64_4gb.test_wrap_malloc_mimalloc`
-    'mimalloc': (['-sMALLOC=mimalloc', '-sABORTING_MALLOC=0'],),
+    'mimalloc': (['-sMALLOC=mimalloc'],),
   })
   def test_wrap_malloc(self, args):
     self.do_runf('core/test_wrap_malloc.c', 'done\n', cflags=args)
diff --git a/tools/link.py b/tools/link.py
index 0bbca89235da4..81eb6f403e629 100644
--- a/tools/link.py
+++ b/tools/link.py
@@ -1516,11 +1516,14 @@ def limit_incoming_module_api():
   if not settings.DECLARE_ASM_MODULE_EXPORTS:
     settings.DEFAULT_LIBRARY_FUNCS_TO_INCLUDE += ['$assignWasmExports']
 
-  if settings.ALLOW_MEMORY_GROWTH:
+  if settings.ALLOW_MEMORY_GROWTH or settings.MALLOC == 'mimalloc':
     # Setting ALLOW_MEMORY_GROWTH turns off ABORTING_MALLOC, as in that mode we default to
     # the behavior of trying to grow and returning 0 from malloc on failure, like
     # a standard system would. However, if the user sets the flag it
     # overrides that.
+    # Also default to non-aborting malloc behavior for -sMALLOC=mimalloc,
+    # so mimalloc can handle allocation failures from its underlying emmalloc
+    # allocator and fall back gracefully.
     default_setting('ABORTING_MALLOC', 0)
 
   if settings.EMBIND:
diff --git a/tools/system_libs.py b/tools/system_libs.py
index 24865d977c79d..14187efbb1ed5 100644
--- a/tools/system_libs.py
+++ b/tools/system_libs.py
@@ -1895,8 +1895,8 @@ class libmimalloc(MTLibrary):
     '-DMI_LIBC_MUSL',
     # enable use of `__builtin_thread_pointer()`
     '-DMI_USE_BUILTIN_THREAD_POINTER',
-    # always use the page map when free-ing a pointer, as we don't support
-    # large OS aligned allocations well
+    # always use the page map in `mi_free()`, as we don't support large
+    # aligned allocations well (needed for aligned page metadata)
     '-DMI_FREE_USE_PAGEMAP=1',
     # to reduce code size, disable environ customization, profiling and
     # nonessential stats