diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a58dbed2df..70bfff60590 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,7 +40,7 @@ option(ENABLE_KERNEL_LTO "Build the kernel with link-time optimization" OFF)
 include(Meta/CMake/wasm_spec_tests.cmake)
 
 add_custom_target(run
-    COMMAND ${CMAKE_SOURCE_DIR}/Meta/run.sh
+    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/run.sh
     USES_TERMINAL
 )
 
diff --git a/Meta/run.sh b/Meta/run.sh
index 533516af322..5999c20828a 100755
--- a/Meta/run.sh
+++ b/Meta/run.sh
@@ -27,7 +27,13 @@ fi
 
 SERENITY_RUN="${SERENITY_RUN:-$1}"
 
-[ -z "$SERENITY_QEMU_BIN" ] && SERENITY_QEMU_BIN="qemu-system-i386"
+if [ -z "$SERENITY_QEMU_BIN" ]; then
+    if [ "$SERENITY_ARCH" = "x86_64" ]; then
+        SERENITY_QEMU_BIN="qemu-system-x86_64"
+    else
+        SERENITY_QEMU_BIN="qemu-system-i386"
+    fi
+fi
 
 [ -z "$SERENITY_KERNEL_CMDLINE" ] && SERENITY_KERNEL_CMDLINE="hello"