diff --git a/api/main.go b/api/main.go
index 21cb1f9..1734be5 100644
--- a/api/main.go
+++ b/api/main.go
@@ -79,6 +79,7 @@ func Execute(res http.ResponseWriter, req *http.Request) {
         "kotlin",
         "lua",
         "nasm", "asm",
+        "nasm64", "asm64",
         "node", "javascript", "js",
         "perl", "pl",
         "php",
@@ -152,6 +153,8 @@ func launch(request Inbound, res http.ResponseWriter) {
         execlang = "elixir"
     case "asm":
         execlang = "nasm"
+    case "asm64":
+        execlang = "nasm64"
     case "js", "javascript":
         execlang = "node"
     case "jl":
diff --git a/lxc/execute b/lxc/execute
index 0bca774..e19b9f4 100755
--- a/lxc/execute
+++ b/lxc/execute
@@ -81,6 +81,9 @@ case "$lang" in
 "nasm" | "asm")
     bin=nasm
     ;;
+"nasm64" | "asm64")
+    bin=nasm64
+    ;;
 "node" | "js" | "javascript")
     bin=node
     ;;
diff --git a/lxc/executors/nasm b/lxc/executors/nasm
index df35c10..60c4963 100755
--- a/lxc/executors/nasm
+++ b/lxc/executors/nasm
@@ -1,4 +1,4 @@
 cd /tmp/$2
-timeout -s KILL 10 nasm -f elf64 -o binary.o code.code
-timeout -s KILL 10 ld binary.o -o binary
+timeout -s KILL 10 nasm -f elf32 -o binary.o code.code
+timeout -s KILL 10 ld -m elf_i386 binary.o -o binary
 runuser runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ./binary"
diff --git a/lxc/executors/nasm64 b/lxc/executors/nasm64
new file mode 100755
index 0000000..8723995
--- /dev/null
+++ b/lxc/executors/nasm64
@@ -0,0 +1,4 @@
+cd /tmp/$2
+timeout -s KILL 10 nasm -f elf64 -o binary.o code.code
+timeout -s KILL 10 ld -m elf_x86_64 binary.o -o binary
+runuser runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ./binary"
diff --git a/lxc/test_all_lxc b/lxc/test_all_lxc
index 31ba976..dd7453f 100755
--- a/lxc/test_all_lxc
+++ b/lxc/test_all_lxc
@@ -23,8 +23,10 @@ echo 'testing js'
 ../execute js test.js
 echo 'testing kotlin'
 ../execute kotlin test.kt
-echo 'testing asm'
+echo 'testing asm 32 bit'
 ../execute asm test.nasm
+echo 'testing asm 64 bit'
+../execute asm64 test64.nasm
 echo 'testing php'
 ../execute php test.php
 echo 'testing perl'
diff --git a/lxc/tests/test64.nasm b/lxc/tests/test64.nasm
new file mode 100644
index 0000000..191b8d3
--- /dev/null
+++ b/lxc/tests/test64.nasm
@@ -0,0 +1,18 @@
+SECTION .data
+	good:	db "good", 0x0a, 0x0
+	txtlen:	equ $ - good
+
+SECTION .text
+GLOBAL _start
+
+_start:
+	;sys_write
+	mov rax, 1
+	mov rdi, 1
+	mov rsi, good
+	mov rdx, txtlen
+	syscall
+	;sys_exit
+	mov rax, 60
+	mov rdi, 0
+	syscall