diff --git a/pkgs/applications/editors/vscode/default.nix b/pkgs/applications/editors/vscode/default.nix
index 3748f8acdda6..67c1ddf175fc 100644
--- a/pkgs/applications/editors/vscode/default.nix
+++ b/pkgs/applications/editors/vscode/default.nix
@@ -111,6 +111,7 @@ in
 
         # Override the previously determined VSCODE_PATH with the one we know to be correct
         sed -i "/ELECTRON=/iVSCODE_PATH='$out/lib/vscode'" $out/bin/code
+        grep -q "VSCODE_PATH='$out/lib/vscode'" $out/bin/code # check if sed succeeded
       '';
 
     preFixup = lib.optionalString (system == "i686-linux" || system == "x86_64-linux") ''