diff --git a/src/library.js b/src/library.js
index 44531ee1d910c..010cbff47ed1a 100644
--- a/src/library.js
+++ b/src/library.js
@@ -398,11 +398,7 @@ addToLibrary({
   // ==========================================================================
 
 #if !STANDALONE_WASM
-  // TODO: There are currently two abort() functions that get imported to asm
-  // module scope: the built-in runtime function abort(), and this library
-  // function _abort(). Remove one of these, importing two functions for the
-  // same purpose is wasteful.
-  abort: () => {
+  _abort_js: () => {
 #if ASSERTIONS
     abort('native code called abort()');
 #else
diff --git a/system/lib/libc/musl/src/exit/abort.c b/system/lib/libc/musl/src/exit/abort.c
index f21f458eca149..4482ab56a3719 100644
--- a/system/lib/libc/musl/src/exit/abort.c
+++ b/system/lib/libc/musl/src/exit/abort.c
@@ -6,8 +6,15 @@
 #include "lock.h"
 #include "ksigaction.h"
 
+#if __EMSCRIPTEN__
+_Noreturn void _abort_js();
+#endif
+
 _Noreturn void abort(void)
 {
+#if __EMSCRIPTEN__
+	_abort_js();
+#else
 	raise(SIGABRT);
 
 	/* If there was a SIGABRT handler installed and it returned, or if
@@ -27,4 +34,5 @@ _Noreturn void abort(void)
 	a_crash();
 	raise(SIGKILL);
 	_Exit(127);
+#endif
 }
diff --git a/tools/system_libs.py b/tools/system_libs.py
index 8fe1adecfb9e0..c9c0af8f69942 100644
--- a/tools/system_libs.py
+++ b/tools/system_libs.py
@@ -1241,7 +1241,7 @@ def get_files(self):
 
     libc_files += files_in_path(
         path='system/lib/libc/musl/src/exit',
-        filenames=['_Exit.c', 'atexit.c', 'at_quick_exit.c', 'quick_exit.c'])
+        filenames=['abort.c', '_Exit.c', 'atexit.c', 'at_quick_exit.c', 'quick_exit.c'])
 
     libc_files += files_in_path(
         path='system/lib/libc/musl/src/ldso',