diff --git a/pkgs/servers/zoneminder/default.nix b/pkgs/servers/zoneminder/default.nix
index 80ff140122fd..503f7b04cd28 100644
--- a/pkgs/servers/zoneminder/default.nix
+++ b/pkgs/servers/zoneminder/default.nix
@@ -57,13 +57,13 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "zoneminder";
-  version = "1.36.32";
+  version = "1.36.33";
 
   src = fetchFromGitHub {
     owner  = "ZoneMinder";
     repo   = "zoneminder";
     rev    = version;
-    sha256 = "sha256-8iRoGpkpZVOOr0wSY9iey2x4gPfKTfUNtt5TCHCCRIQ=";
+    sha256 = "sha256-KUhFZrF7BuLB2Z3LnTcHEEZVA6iosam6YsOd8KWvx7E=";
     fetchSubmodules = true;
   };
 
@@ -116,6 +116,12 @@ in stdenv.mkDerivation rec {
         --replace "'ffmpeg " "'${ffmpeg}/bin/ffmpeg "
     done
 
+    for f in scripts/ZoneMinder/lib/ZoneMinder/Event.pm \
+             scripts/ZoneMinder/lib/ZoneMinder/Storage.pm ; do
+      substituteInPlace $f \
+        --replace '/bin/rm' "${coreutils}/bin/rm"
+    done
+
     substituteInPlace web/includes/functions.php \
       --replace "'date " "'${coreutils}/bin/date " \
       --subst-var-by srcHash "`basename $out`"