diff --git a/dlls/advpack/advpack.c b/dlls/advpack/advpack.c
index 791cb882800..cde1c520de4 100644
--- a/dlls/advpack/advpack.c
+++ b/dlls/advpack/advpack.c
@@ -92,7 +92,7 @@ static void get_dest_dir(HINF hInf, PCWSTR pszSection, PWSTR pszBuffer, DWORD dw
 }
 
 /* loads the LDIDs specified in the install section of an INF */
-static void set_ldids(HINF hInf, LPCWSTR pszInstallSection, LPCWSTR pszWorkingDir)
+void set_ldids(HINF hInf, LPCWSTR pszInstallSection, LPCWSTR pszWorkingDir)
 {
     WCHAR field[MAX_FIELD_LENGTH];
     WCHAR line[MAX_FIELD_LENGTH];
diff --git a/dlls/advpack/advpack_private.h b/dlls/advpack/advpack_private.h
index a36b32b6a04..8da353c7471 100644
--- a/dlls/advpack/advpack_private.h
+++ b/dlls/advpack/advpack_private.h
@@ -22,6 +22,7 @@
 #define __ADVPACK_PRIVATE_H
 
 LPWSTR get_parameter(LPWSTR *params, WCHAR separator);
+void set_ldids(HINF hInf, LPCWSTR pszInstallSection, LPCWSTR pszWorkingDir);
 
 HRESULT launch_exe(LPCWSTR cmd, LPCWSTR dir, HANDLE *phEXE);
 HRESULT do_ocx_reg(HMODULE hocx, BOOL do_reg);
diff --git a/dlls/advpack/install.c b/dlls/advpack/install.c
index d280a42a0ab..252fd89f238 100644
--- a/dlls/advpack/install.c
+++ b/dlls/advpack/install.c
@@ -259,7 +259,8 @@ HRESULT install_init(LPCWSTR inf_filename, LPCWSTR install_sec,
     if (info->hinf == INVALID_HANDLE_VALUE)
         return ADV_HRESULT(GetLastError());
 
-    /* FIXME: set the ldids of the install section */
+    set_ldids(info->hinf, info->install_sec, info->working_dir);
+
     /* FIXME: check that the INF is advanced */
 
     info->flags = flags;