diff --git a/src/runtime/duff_loong64.s b/src/runtime/duff_loong64.s
index df8b653965..b05502d91d 100644
--- a/src/runtime/duff_loong64.s
+++ b/src/runtime/duff_loong64.s
@@ -4,7 +4,7 @@
 
 #include "textflag.h"
 
-TEXT runtime·duffzero(SB), NOSPLIT|NOFRAME, $0-0
+TEXT runtime·duffzero<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-0
 	MOVV	R0, (R20)
 	ADDV	$8, R20
 	MOVV	R0, (R20)
@@ -263,7 +263,7 @@ TEXT runtime·duffzero(SB), NOSPLIT|NOFRAME, $0-0
 	ADDV	$8, R20
 	RET
 
-TEXT runtime·duffcopy(SB), NOSPLIT|NOFRAME, $0-0
+TEXT runtime·duffcopy<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-0
 	MOVV	(R20), R30
 	ADDV	$8, R20
 	MOVV	R30, (R21)
diff --git a/src/runtime/mkduff.go b/src/runtime/mkduff.go
index 77674254d4..b7f07b5087 100644
--- a/src/runtime/mkduff.go
+++ b/src/runtime/mkduff.go
@@ -181,7 +181,7 @@ func zeroLOONG64(w io.Writer) {
 	// R0: always zero
 	// R19 (aka REGRT1): ptr to memory to be zeroed
 	// On return, R19 points to the last zeroed dword.
-	fmt.Fprintln(w, "TEXT runtime·duffzero(SB), NOSPLIT|NOFRAME, $0-0")
+	fmt.Fprintln(w, "TEXT runtime·duffzero<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-0")
 	for i := 0; i < 128; i++ {
 		fmt.Fprintln(w, "\tMOVV\tR0, (R20)")
 		fmt.Fprintln(w, "\tADDV\t$8, R20")
@@ -190,7 +190,7 @@ func zeroLOONG64(w io.Writer) {
 }
 
 func copyLOONG64(w io.Writer) {
-	fmt.Fprintln(w, "TEXT runtime·duffcopy(SB), NOSPLIT|NOFRAME, $0-0")
+	fmt.Fprintln(w, "TEXT runtime·duffcopy<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-0")
 	for i := 0; i < 128; i++ {
 		fmt.Fprintln(w, "\tMOVV\t(R20), R30")
 		fmt.Fprintln(w, "\tADDV\t$8, R20")