diff --git a/pkgs/by-name/ah/ahk_x11/package.nix b/pkgs/by-name/ah/ahk_x11/package.nix
index b088ae250cc0..90e502acc936 100644
--- a/pkgs/by-name/ah/ahk_x11/package.nix
+++ b/pkgs/by-name/ah/ahk_x11/package.nix
@@ -1,7 +1,7 @@
 {
   lib,
   fetchFromGitHub,
-  crystal,
+  crystal_1_19,
   copyDesktopItems,
   gtk3,
   libxkbcommon,
@@ -24,6 +24,10 @@
 let
   pname = "ahk_x11";
   version = "1.0.7";
+  # Pinning to Crystal 1.19.x since ahk_x11 crashes with segmentation
+  # fault when built using >=1.20.0
+  # Refernce: https://github.com/phil294/AHK_X11/pull/127
+  crystal = crystal_1_19;
 in
 crystal.buildCrystalPackage {
   inherit pname version;