diff --git a/boot/bootdata/packages/reactos.dff.in b/boot/bootdata/packages/reactos.dff.in
index 43826371018..283f32dad53 100644
--- a/boot/bootdata/packages/reactos.dff.in
+++ b/boot/bootdata/packages/reactos.dff.in
@@ -25,6 +25,7 @@ Signature = "$ReactOS$"
 6 = inf
 7 = bin
 8 = bin\testdata
+80 = bin\suppl
 9 = media
 10 = Microsoft.NET
 11 = Microsoft.NET\Framework
diff --git a/sdk/cmake/CMakeMacros.cmake b/sdk/cmake/CMakeMacros.cmake
index 850bb7f52ad..95f99f3af73 100644
--- a/sdk/cmake/CMakeMacros.cmake
+++ b/sdk/cmake/CMakeMacros.cmake
@@ -179,6 +179,8 @@ macro(dir_to_num dir var)
         set(${var} 7)
     elseif(${dir} STREQUAL reactos/bin/testdata)
         set(${var} 8)
+    elseif(${dir} STREQUAL reactos/bin/suppl)
+        set(${var} 80)
     elseif(${dir} STREQUAL reactos/media)
         set(${var} 9)
     elseif(${dir} STREQUAL reactos/Microsoft.NET)