diff --git a/mjit_worker.c b/mjit_worker.c
index 0b6ea75966..a8a99c8cdf 100644
--- a/mjit_worker.c
+++ b/mjit_worker.c
@@ -247,9 +247,9 @@ static char *libruby_pathflag;
 # define MJIT_CFLAGS_PIPE 0
 #endif
 
-// Use `-nodefaultlibs -nostdlib` for GCC where possible, which does not work on mingw and cygwin.
+// Use `-nodefaultlibs -nostdlib` for GCC where possible, which does not work on mingw, cygwin and AIX.
 // This seems to improve MJIT performance on GCC.
-#if defined __GNUC__ && !defined __clang__ && !defined(_WIN32) && !defined(__CYGWIN__)
+#if defined __GNUC__ && !defined __clang__ && !defined(_WIN32) && !defined(__CYGWIN__) && !defined(_AIX)
 # define GCC_NOSTDLIB_FLAGS "-nodefaultlibs", "-nostdlib",
 #else
 # define GCC_NOSTDLIB_FLAGS /* empty */