diff --git a/README.md b/README.md
index 217971f7..31d1b85e 100644
--- a/README.md
+++ b/README.md
@@ -273,6 +273,7 @@ the Wine prefix. Removing the option will revert to the previous behavior.
 |                       | <tt>PROTON_LOG_DIR</tt>        | Output log files into the directory specified. Defaults to your home directory. |
 |                       | <tt>PROTON_DUMP_DEBUG_COMMANDS</tt> | When running a game, Proton will write some useful debug scripts for that game into `$PROTON_DEBUG_DIR/proton_$USER/`. |
 |                       | <tt>PROTON_DEBUG_DIR</tt>      | Root directory for the Proton debug scripts, `/tmp` by default. |
+|                       | <tt>PROTON_CRASH_REPORT_DIR</tt> | Write crash logs into this directory. Does not clean up old logs, so may eat all your disk space eventually. |
 | <tt>wined3d</tt>      | <tt>PROTON_USE_WINED3D</tt>    | Use OpenGL-based wined3d instead of Vulkan-based DXVK for d3d11, d3d10, and d3d9. |
 | <tt>nod3d11</tt>      | <tt>PROTON_NO_D3D11</tt>       | Disable <tt>d3d11.dll</tt>, for d3d11 games which can fall back to and run better with d3d9. |
 | <tt>nod3d10</tt>      | <tt>PROTON_NO_D3D10</tt>       | Disable <tt>d3d10.dll</tt> and <tt>dxgi.dll</tt>, for d3d10 games which can fall back to and run better with d3d9. |
diff --git a/proton b/proton
index 142f683a..5226709d 100755
--- a/proton
+++ b/proton
@@ -779,6 +779,9 @@ class Session:
         if "hidenvgpu" in self.compat_config:
             self.env["WINE_HIDE_NVIDIA_GPU"] = "1"
 
+        if "PROTON_CRASH_REPORT_DIR" in self.env:
+            self.env["WINE_CRASH_REPORT_DIR"] = self.env["PROTON_CRASH_REPORT_DIR"]
+
         if "SteamGameId" in self.env:
             if self.env["WINEDEBUG"] != "-all":
                 basedir = self.env.get("PROTON_LOG_DIR", os.environ["HOME"])