diff --git a/lib/libc/glibc/sysdeps/mips/mips32/crtn.S b/lib/libc/glibc/sysdeps/mips/mips32/crtn.S
index 89ecbd9882f2d1f6484129fe4cb56bb295dc5c53..4fd4c745d914ad1f18c43fb8bc2af812f386faab 100644
--- a/lib/libc/glibc/sysdeps/mips/mips32/crtn.S
+++ b/lib/libc/glibc/sysdeps/mips/mips32/crtn.S
@@ -42,7 +42,8 @@
 	lw $31,28($sp)
 	.set noreorder
 	.set nomacro
-	j $31
+	/* zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315 */
+	jr $31
 	addiu $sp,$sp,32
 	.set macro
 	.set reorder
@@ -51,7 +52,8 @@
 	lw $31,28($sp)
 	.set noreorder
 	.set nomacro
-	j $31
+	/* zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315 */
+	jr $31
 	addiu $sp,$sp,32
 	.set macro
 	.set reorder
diff --git a/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S b/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S
index 633d79cfad992dd80472b33e5ed5c8cfcd3729d5..f9a6c7ee4c6d2a5c6caa1301f029753274a753ec 100644
--- a/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S
+++ b/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S
@@ -43,7 +43,8 @@
 	ld $28,0($sp)
 	.set noreorder
 	.set nomacro
-	j $31
+	/* zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315 */
+	jr $31
 	addiu $sp,$sp,16
 	.set macro
 	.set reorder
@@ -53,7 +54,8 @@
 	ld $28,0($sp)
 	.set noreorder
 	.set nomacro
-	j $31
+	/* zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315 */
+	jr $31
 	addiu $sp,$sp,16
 	.set macro
 	.set reorder
diff --git a/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S b/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S
index 99ed1e32631d2d119aa83b3da54db52b32ba816e..2722b2812c1e1202091ff3bb856b4bd4ce98edb2 100644
--- a/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S
+++ b/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S
@@ -43,7 +43,8 @@
 	ld $28,0($sp)
 	.set noreorder
 	.set nomacro
-	j $31
+	/* zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315 */
+	jr $31
 	daddiu $sp,$sp,16
 	.set macro
 	.set reorder
@@ -53,7 +54,8 @@
 	ld $28,0($sp)
 	.set noreorder
 	.set nomacro
-	j $31
+	/* zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315 */
+	jr $31
 	daddiu $sp,$sp,16
 	.set macro
 	.set reorder
diff --git a/lib/libc/glibc/sysdeps/unix/mips/sysdep.h b/lib/libc/glibc/sysdeps/unix/mips/sysdep.h
index d1e0460260cd4d62f0cad7525d96570c13a720b2..54e92b26d04449f12fff23c2ae322a230e31226e 100644
--- a/lib/libc/glibc/sysdeps/unix/mips/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/mips/sysdep.h
@@ -39,7 +39,8 @@
 		.end	function;		        \
 		.size	function,.-function
 
-#define ret	j ra ; nop
+// zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315
+#define ret	jr ra ; nop
 
 #undef PSEUDO_END
 #define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym
diff --git a/lib/libc/musl/crt/mips/crtn.s b/lib/libc/musl/crt/mips/crtn.s
index 506a04b78c0d0a02e8d687935390bb9fbf5c15db..5146d83a0e9f85dd86a11858a5fb75a77e448f77 100644
--- a/lib/libc/musl/crt/mips/crtn.s
+++ b/lib/libc/musl/crt/mips/crtn.s
@@ -3,11 +3,13 @@
 .section .init
 	lw $gp,24($sp)
 	lw $ra,28($sp)
-	j $ra
+	# zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315
+	jr $ra
 	addu $sp,$sp,32
 
 .section .fini
 	lw $gp,24($sp)
 	lw $ra,28($sp)
-	j $ra
+	# zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315
+	jr $ra
 	addu $sp,$sp,32
diff --git a/lib/libc/musl/crt/mips64/crtn.s b/lib/libc/musl/crt/mips64/crtn.s
index f3930b240690da49c6041b799decaf8220cdeb2b..dc4dbb03ad05f08abc6b5fcea9e6f0c65a431a51 100644
--- a/lib/libc/musl/crt/mips64/crtn.s
+++ b/lib/libc/musl/crt/mips64/crtn.s
@@ -3,11 +3,13 @@
 .section .init
 	ld $gp,16($sp)
 	ld $ra,24($sp)
-	j $ra
+	# zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315
+	jr $ra
 	daddu $sp,$sp,32
 
 .section .fini
 	ld $gp,16($sp)
 	ld $ra,24($sp)
-	j $ra
+	# zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315
+	jr $ra
 	daddu $sp,$sp,32