diff --git a/dlls/msi/action.c b/dlls/msi/action.c
index 8dd2476eec5..fd6050567a4 100644
--- a/dlls/msi/action.c
+++ b/dlls/msi/action.c
@@ -4170,7 +4170,8 @@ static UINT ACTION_RegisterProduct(MSIPACKAGE *package)
 
     if (package->Context == MSIINSTALLCONTEXT_MACHINE)
     {
-        rc = MSIREG_OpenLocalSystemInstallProps(package->ProductCode, &props, TRUE);
+        rc = MSIREG_OpenInstallProps(package->ProductCode, szLocalSid,
+                                     &props, TRUE);
         if (rc != ERROR_SUCCESS)
             goto done;
     }
@@ -4438,7 +4439,7 @@ static UINT ACTION_RegisterUser(MSIPACKAGE *package)
         return ERROR_SUCCESS;
 
     if (package->Context == MSIINSTALLCONTEXT_MACHINE)
-        rc = MSIREG_OpenLocalSystemInstallProps(package->ProductCode, &hkey, TRUE);
+        rc = MSIREG_OpenInstallProps(package->ProductCode, szLocalSid, &hkey, TRUE);
     else
         rc = MSIREG_OpenCurrentUserInstallProps(package->ProductCode, &hkey, TRUE);
 
diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index b2664e62d2a..dbe2acf9d95 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -108,7 +108,7 @@ static UINT MSI_OpenProductW(LPCWSTR szProduct, MSIPACKAGE **package)
         return r;
 
     if (context == MSIINSTALLCONTEXT_MACHINE)
-        r = MSIREG_OpenLocalSystemInstallProps(szProduct, &props, FALSE);
+        r = MSIREG_OpenInstallProps(szProduct, szLocalSid, &props, FALSE);
     else if (context == MSIINSTALLCONTEXT_USERMANAGED ||
              context == MSIINSTALLCONTEXT_USERUNMANAGED)
         r = MSIREG_OpenCurrentUserInstallProps(szProduct, &props, FALSE);
@@ -407,7 +407,7 @@ static UINT msi_open_package(LPCWSTR product, MSIINSTALLCONTEXT context,
         'L','o','c','a','l','P','a','c','k','a','g','e',0};
 
     if (context == MSIINSTALLCONTEXT_MACHINE)
-        r = MSIREG_OpenLocalSystemInstallProps(product, &props, FALSE);
+        r = MSIREG_OpenInstallProps(product, szLocalSid, &props, FALSE);
     else
         r = MSIREG_OpenCurrentUserInstallProps(product, &props, FALSE);
 
@@ -1448,7 +1448,7 @@ INSTALLSTATE WINAPI MsiQueryProductStateW(LPCWSTR szProduct)
     }
     else
     {
-        r = MSIREG_OpenLocalSystemInstallProps(szProduct, &userdata, FALSE);
+        r = MSIREG_OpenInstallProps(szProduct, szLocalSid, &userdata, FALSE);
         if (r != ERROR_SUCCESS)
             goto done;
     }
@@ -2449,7 +2449,7 @@ static USERINFOSTATE MSI_GetUserInfo(LPCWSTR szProduct,
     }
 
     if (MSIREG_OpenCurrentUserInstallProps(szProduct, &props, FALSE) != ERROR_SUCCESS &&
-        MSIREG_OpenLocalSystemInstallProps(szProduct, &props, FALSE) != ERROR_SUCCESS)
+        MSIREG_OpenInstallProps(szProduct, szLocalSid, &props, FALSE) != ERROR_SUCCESS)
     {
         RegCloseKey(hkey);
         return USERINFOSTATE_ABSENT;
diff --git a/dlls/msi/msipriv.h b/dlls/msi/msipriv.h
index 6f5299ce6e2..47810925db3 100644
--- a/dlls/msi/msipriv.h
+++ b/dlls/msi/msipriv.h
@@ -779,7 +779,8 @@ extern UINT MSIREG_OpenPatchesKey(LPCWSTR szPatch, HKEY* key, BOOL create);
 extern UINT MSIREG_OpenUserDataProductKey(LPCWSTR szProduct, LPCWSTR szUserSid,
                                           HKEY* key, BOOL create);
 extern UINT MSIREG_OpenCurrentUserInstallProps(LPCWSTR szProduct, HKEY* key, BOOL create);
-extern UINT MSIREG_OpenLocalSystemInstallProps(LPCWSTR szProduct, HKEY* key, BOOL create);
+extern UINT MSIREG_OpenInstallProps(LPCWSTR szProduct, LPCWSTR szUserSID,
+                                    HKEY *key, BOOL create);
 extern UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 extern UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 extern UINT MSIREG_DeleteProductKey(LPCWSTR szProduct);
diff --git a/dlls/msi/registry.c b/dlls/msi/registry.c
index c8ea83f5eb6..3f173e0273e 100644
--- a/dlls/msi/registry.c
+++ b/dlls/msi/registry.c
@@ -890,8 +890,8 @@ UINT MSIREG_OpenUserDataPatchKey(LPWSTR patch, HKEY *key, BOOL create)
     return rc;
 }
 
-static UINT MSIREG_OpenInstallProps(LPCWSTR szProduct, LPCWSTR szUserSID,
-                                    HKEY *key, BOOL create)
+UINT MSIREG_OpenInstallProps(LPCWSTR szProduct, LPCWSTR szUserSID,
+                             HKEY *key, BOOL create)
 {
     UINT rc;
     WCHAR squished_pc[GUID_SIZE];
@@ -931,12 +931,6 @@ UINT MSIREG_OpenCurrentUserInstallProps(LPCWSTR szProduct, HKEY *key,
     return rc;
 }
 
-UINT MSIREG_OpenLocalSystemInstallProps(LPCWSTR szProduct, HKEY *key,
-                                        BOOL create)
-{
-    return MSIREG_OpenInstallProps(szProduct, szLocalSid, key, create);
-}
-
 UINT MSIREG_DeleteUserDataProductKey(LPCWSTR szProduct)
 {
     UINT rc;