diff --git a/pa-06/a1/a.c b/pa-06/a2/a.c
similarity index 100%
rename from pa-06/a1/a.c
rename to pa-06/a2/a.c
diff --git a/pa-06/a1/b.c b/pa-06/a2/b.c
similarity index 100%
rename from pa-06/a1/b.c
rename to pa-06/a2/b.c
diff --git a/pa-06/a1/c.c b/pa-06/a2/c.c
similarity index 100%
rename from pa-06/a1/c.c
rename to pa-06/a2/c.c
diff --git a/pa-06/a1/d.c b/pa-06/a2/d.c
similarity index 100%
rename from pa-06/a1/d.c
rename to pa-06/a2/d.c
diff --git a/pa-06/a1/flake.lock b/pa-06/a2/flake.lock
similarity index 100%
rename from pa-06/a1/flake.lock
rename to pa-06/a2/flake.lock
diff --git a/pa-06/a1/flake.nix b/pa-06/a2/flake.nix
similarity index 73%
rename from pa-06/a1/flake.nix
rename to pa-06/a2/flake.nix
index 43d2c83..3771dbb 100644
--- a/pa-06/a1/flake.nix
+++ b/pa-06/a2/flake.nix
@@ -23,28 +23,28 @@
         pkgs,
         system,
         ...
-      }: let
-        mkTask = part:
-          pkgs.stdenv.mkDerivation {
-            name = "a1-${part}";
-            src = ./.;
-            buildPhase = ''
-              cc ${part}.c -o ${part}.out
-            '';
-            installPhase = ''
-              mkdir -p $out/bin/
-              mv ${part}.out $out/bin/
-            '';
-            meta = {
-              mainProgram = "${part}.out";
-            };
-          };
-      in {
+      }: {
         # Per-system attributes can be defined here. The self' and inputs'
         # module parameters provide easy access to attributes of the same
         # system.
 
-        packages = {
+        packages = let
+          mkTask = part:
+            pkgs.stdenv.mkDerivation {
+              name = "a1-${part}";
+              src = ./.;
+              buildPhase = ''
+                cc ${part}.c -o ${part}.out
+              '';
+              installPhase = ''
+                mkdir -p $out/bin/
+                mv ${part}.out $out/bin/
+              '';
+              meta = {
+                mainProgram = "${part}.out";
+              };
+            };
+        in {
           a = mkTask "a";
           b = mkTask "b";
           c = mkTask "c";