diff --git a/pkgs/by-name/db/dbeaver-bin/package.nix b/pkgs/by-name/db/dbeaver-bin/package.nix
index 8e62a026ba00..ece1216d445c 100644
--- a/pkgs/by-name/db/dbeaver-bin/package.nix
+++ b/pkgs/by-name/db/dbeaver-bin/package.nix
@@ -12,6 +12,7 @@
   glib,
   webkitgtk_4_0,
   glib-networking,
+  override_xmx ? "1024m",
 }:
 
 stdenvNoCC.mkDerivation (finalAttrs: {
@@ -54,6 +55,11 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   dontConfigure = true;
   dontBuild = true;
 
+  prePatch = ''
+    substituteInPlace dbeaver.ini \
+      --replace-fail '-Xmx1024m' '-Xmx${override_xmx}'
+  '';
+
   installPhase =
     if !stdenvNoCC.hostPlatform.isDarwin then
       ''