diff --git a/Cargo.lock b/Cargo.lock
index e05958928..af20cbf09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -33,6 +33,25 @@ dependencies = [
  "scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "arr_macro"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arr_macro_impl 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "arr_macro_impl"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro-hack 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "arrayvec"
 version = "0.4.11"
@@ -1011,6 +1030,7 @@ dependencies = [
 name = "rustpython-vm"
 version = "0.1.0"
 dependencies = [
+ "arr_macro 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bincode 1.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1855,6 +1875,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum aho-corasick 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "36b7aa1ccb7d7ea3f437cf025a2ab1c47cc6c1bc9fc84918ff449def12f5e282"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 "checksum argon2rs 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3f67b0b6a86dae6e67ff4ca2b6201396074996379fba2b92ff649126f37cb392"
+"checksum arr_macro 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d262b83f2f573121554ad6e764cd444303df85d86e5fcebc81903ddcf8dd3a97"
+"checksum arr_macro_impl 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8decbe97ffec939e44228d91e5d0829ceb1616c6ed0984c09df164b1e7ebaafc"
 "checksum arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b8d73f9beda665eaa98ab9e4f7442bd4e7de6652587de55b2525e52e29c1b0ba"
 "checksum ascii-canvas 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b385d69402821a1c254533a011a312531cbcc0e3e24f19bbb4747a5a2daf37e2"
 "checksum atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "1803c647a3ec87095e7ae7acfca019e98de5ec9a7d01343f611cf3152ed71a90"
diff --git a/vm/Cargo.toml b/vm/Cargo.toml
index d4913b782..6ffc8c378 100644
--- a/vm/Cargo.toml
+++ b/vm/Cargo.toml
@@ -63,6 +63,7 @@ bitflags = "1.1"
 libc = "0.2"
 nix = "0.14.1"
 wtf8 = "0.0.3"
+arr_macro = "0.1.2"
 
 flame = { version = "0.2", optional = true }
 flamer = { version = "0.3", optional = true }
diff --git a/vm/src/stdlib/signal.rs b/vm/src/stdlib/signal.rs
index d519c66dd..bf31c16e2 100644
--- a/vm/src/stdlib/signal.rs
+++ b/vm/src/stdlib/signal.rs
@@ -6,30 +6,14 @@ use std::sync::atomic::{AtomicBool, Ordering};
 
 use num_traits::cast::ToPrimitive;
 
+use arr_macro::arr;
 use nix::sys::signal;
 use nix::unistd::alarm as sig_alarm;
 
-// Signal triggers
-// TODO: 64
-const NSIG: usize = 15;
+const NSIG: usize = 64;
 
-static mut TRIGGERS: [AtomicBool; NSIG] = [
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-    AtomicBool::new(false),
-];
+// We cannot use the NSIG const in the arr macro. This will fail compilation if NSIG is different.
+static mut TRIGGERS: [AtomicBool; NSIG] = arr![AtomicBool::new(false); 64];
 
 extern "C" fn run_signal(signum: i32) {
     unsafe {