diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 32d67f57dba3..220b3d436595 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8360,7 +8360,7 @@ in
     else ../development/compilers/gcc/9);
   gcc = if (with stdenv.targetPlatform; isVc4 || libc == "relibc")
     then gcc6 else gcc9;
-  
+
   gcc-unwrapped = gcc.cc;
 
   gccStdenv = if stdenv.cc.isGNU then stdenv else stdenv.override {
@@ -22620,7 +22620,8 @@ in
 
   symlinks = callPackage ../tools/system/symlinks { };
 
-  syncplay = python3.pkgs.callPackage ../applications/networking/syncplay { };
+  # this can be changed to python3 once pyside2 is updated to support the latest python version
+  syncplay = python37.pkgs.callPackage ../applications/networking/syncplay { };
 
   inherit (callPackages ../applications/networking/syncthing { })
     syncthing