diff --git a/modules/services/window-managers/xmonad.nix b/modules/services/window-managers/xmonad.nix
index a266e989c..9c5efa64e 100644
--- a/modules/services/window-managers/xmonad.nix
+++ b/modules/services/window-managers/xmonad.nix
@@ -111,6 +111,12 @@ in
 
   config =
     let
+      # GHC sets OS_ARCH to arm in case of armv7l, need to coerce
+      executableSystemSuffix =
+        if pkgs.stdenv.hostPlatform.isArmv7 then
+          "arm-${lib.toLower pkgs.stdenv.hostPlatform.uname.system}"
+        else
+          pkgs.stdenv.hostPlatform.system;
 
       xmonadBin = "${
         pkgs.runCommandLocal "xmonad-compile"
@@ -141,15 +147,15 @@ in
 
             # The resulting binary name depends on the arch and os
             # https://github.com/xmonad/xmonad/blob/56b0f850bc35200ec23f05c079eca8b0a1f90305/src/XMonad/Core.hs#L565-L572
-            if [ -f "$XMONAD_DATA_DIR/xmonad-${pkgs.stdenv.hostPlatform.system}" ]; then
+            if [ -f "$XMONAD_DATA_DIR/xmonad-${executableSystemSuffix}" ]; then
               # xmonad 0.15.0
-              mv "$XMONAD_DATA_DIR/xmonad-${pkgs.stdenv.hostPlatform.system}" $out/bin/
+              mv "$XMONAD_DATA_DIR/xmonad-${executableSystemSuffix}" $out/bin/
             else
               # xmonad 0.17.0 (https://github.com/xmonad/xmonad/commit/9813e218b034009b0b6d09a70650178980e05d54)
-              mv "$XMONAD_CACHE_DIR/xmonad-${pkgs.stdenv.hostPlatform.system}" $out/bin/
+              mv "$XMONAD_CACHE_DIR/xmonad-${executableSystemSuffix}" $out/bin/
             fi
           ''
-      }/bin/xmonad-${pkgs.stdenv.hostPlatform.system}";
+      }/bin/xmonad-${executableSystemSuffix}";
 
     in
     mkIf cfg.enable (mkMerge [