diff --git a/lib/default.nix b/lib/default.nix
index 981fe24..e558bf8 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -88,11 +88,12 @@ in rec {
         dhall to-directory-tree --output bootstrap \
           <<< "${./compile-boot.dhall} ${bootstrapDhall} \"bootstrap\""
 
+        mkdir -p $out
         build_core \
           "${testPkgs.base-hw-pc.bootstrapObj}" \
           bootstrap/modules_asm \
           0x00200000 \
-          $out
+          $out/image.elf
       '';
     };
 
@@ -102,6 +103,8 @@ in rec {
       build = compileBoot name env boot;
 
       buildCommand = ''
+        mkdir -p $out
+
         # compile the boot modules into one object file
         $CC -c -x assembler -o "boot_modules.o" "$build/modules_asm"
 
@@ -113,7 +116,7 @@ in rec {
         	-z max-page-size=0x1000 \
         	-Ttext=0x100000 -gc-sections \
         	"${testPkgs.base-nova.coreObj}" boot_modules.o \
-        	-o $out
+        	-o $out/image.elf
       '';
     };
 
diff --git a/packages/bender/default.nix b/packages/bender/default.nix
index 748c975..f0dd0fc 100644
--- a/packages/bender/default.nix
+++ b/packages/bender/default.nix
@@ -19,5 +19,5 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   cmakeFlags = [ "-DVERSION=${version}" ];
 
-  installPhase = "install standalone/bender $out";
+  installPhase = "install -Dt $out standalone/bender";
 }
diff --git a/tests/default.nix b/tests/default.nix
index c6eb213..58608b3 100644
--- a/tests/default.nix
+++ b/tests/default.nix
@@ -79,10 +79,10 @@ listToAttrs ((concatLists (map (testsToList) [ linux hw nova ]))) // {
     name = "sotest";
     buildCommand = ''
       mkdir zip; cd zip
-      cp "${testPkgs.bender}" bender
+      cp "${testPkgs.bender}/bender" bender
       cp "${testPkgs.NOVA}/hypervisor-x86_64" hypervisor
       ${concatStringsSep "\n"
-      (map (test: "cp ${test.image} ${test.image.name}") allTests)}
+      (map (test: "cp ${test.image}/image.elf ${test.image.name}") allTests)}
       mkdir -p $out/nix-support
       ${buildPackages.zip}/bin/zip "$out/binaries.zip" *
       cat << EOF > "$out/project.json"
diff --git a/tests/driver-hw.nix b/tests/driver-hw.nix
index 075a87e..db0d6f9 100644
--- a/tests/driver-hw.nix
+++ b/tests/driver-hw.nix
@@ -90,12 +90,12 @@ let
 
           global env
           global spawn_id
-          set TEST_MIB [expr (([file size ${image}] + $env(TEST_RAM)) >> 20) + 24]
+          set TEST_MIB [expr (([file size ${image}/image.elf] + $env(TEST_RAM)) >> 20) + 24]
           spawn ${buildPackages.qemu_test}/bin/qemu-system-x86_64 \
             -machine q35 -serial mon:stdio -nographic \
             -m size=$TEST_MIB \
-            -kernel "${testPkgs.bender}" \
-            -initrd "${image}" \
+            -kernel "${testPkgs.bender}/bender" \
+            -initrd "${image}/image.elf" \
             ${toString qemuArgs}
           wait_for_output $wait_for_re $timeout_value $spawn_id
         }
diff --git a/tests/driver-nova.nix b/tests/driver-nova.nix
index 6f09575..281793f 100644
--- a/tests/driver-nova.nix
+++ b/tests/driver-nova.nix
@@ -91,13 +91,13 @@ let
 
           global env
           global spawn_id
-          set TEST_MIB [expr (([file size ${image}] + $env(TEST_RAM)) >> 20) + 24]
+          set TEST_MIB [expr (([file size ${image}/image.elf] + $env(TEST_RAM)) >> 20) + 24]
           spawn ${buildPackages.qemu_test}/bin/qemu-system-x86_64 \
             -machine q35 -cpu phenom -smp 2 \
             -serial mon:stdio -nographic \
             -m size=$TEST_MIB \
-            -kernel "${testPkgs.bender}" \
-            -initrd "${testPkgs.NOVA}/hypervisor-x86_64 arg=iommu novpid serial,${image}" \
+            -kernel "${testPkgs.bender}/bender" \
+            -initrd "${testPkgs.NOVA}/hypervisor-x86_64 arg=iommu novpid serial,${image}/image.elf" \
             ${toString qemuArgs}
           wait_for_output $wait_for_re $timeout_value $spawn_id
         }
diff --git a/tests/sotest_hw_config.dhall b/tests/sotest_hw_config.dhall
deleted file mode 100644
index e458f29..0000000
--- a/tests/sotest_hw_config.dhall
+++ /dev/null
@@ -1,4 +0,0 @@
-{ boot_items =
-  [ { exec = "bender", load = [ "image.elf" ], name = "Genode base-hw" } ]
-, extra_dependencies = [ { name = "bender", url = "https://sotest.io/bender" } ]
-}
diff --git a/tests/sotest_nova_config.dhall b/tests/sotest_nova_config.dhall
deleted file mode 100644
index c38b51e..0000000
--- a/tests/sotest_nova_config.dhall
+++ /dev/null
@@ -1,8 +0,0 @@
-{ boot_items =
-  [ { exec = "bender"
-    , load = [ "hypervisor serial novga iommu", "image.elf" ]
-    , name = "NOVA with Genode"
-    }
-  ]
-, extra_dependencies = [ { name = "bender", url = "https://sotest.io/bender" } ]
-}