diff --git a/pkgs/applications/misc/subsurface/default.nix b/pkgs/applications/misc/subsurface/default.nix
index ba3880aa201..02bf65761f0 100644
--- a/pkgs/applications/misc/subsurface/default.nix
+++ b/pkgs/applications/misc/subsurface/default.nix
@@ -20,7 +20,8 @@ let
     inherit version;
 
     src = subsurfaceSrc;
-    sourceRoot = "source/libdivecomputer";
+
+    prePatch = "cd libdivecomputer";
 
     nativeBuildInputs = [ autoreconfHook ];