diff --git a/reactos/base/system/msiexec/msiexec.c b/reactos/base/system/msiexec/msiexec.c
index cbcd8ec8bd2..44f1f28862e 100644
--- a/reactos/base/system/msiexec/msiexec.c
+++ b/reactos/base/system/msiexec/msiexec.c
@@ -882,10 +882,6 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 			{
 				InstallUILevel = INSTALLUILEVEL_NONE;
 			}
-			else if(msi_strequal(argvW[i]+2, "b"))
-			{
-				InstallUILevel = INSTALLUILEVEL_BASIC;
-			}
 			else if(msi_strequal(argvW[i]+2, "r"))
 			{
 				InstallUILevel = INSTALLUILEVEL_REDUCED;
@@ -898,28 +894,25 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 			{
 				InstallUILevel = INSTALLUILEVEL_NONE|INSTALLUILEVEL_ENDDIALOG;
 			}
-			else if(msi_strequal(argvW[i]+2, "b+"))
+			else if(msi_strprefix(argvW[i]+2, "b"))
 			{
-				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_ENDDIALOG;
-			}
-			else if(msi_strequal(argvW[i]+2, "b-"))
-			{
-				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_PROGRESSONLY;
-			}
-			else if(msi_strequal(argvW[i]+2, "b+!"))
-			{
-				WINE_FIXME("Unhandled modifier: !\n");
-				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_ENDDIALOG|INSTALLUILEVEL_HIDECANCEL;
-			}
-			else if(msi_strequal(argvW[i]+2, "b-!"))
-			{
-				WINE_FIXME("Unhandled modifier: !\n");
-				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_PROGRESSONLY|INSTALLUILEVEL_HIDECANCEL;
-			}
-			else if(msi_strequal(argvW[i]+2, "b!"))
-			{
-				WINE_FIXME("Unhandled modifier: !\n");
-				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_HIDECANCEL;
+                const WCHAR *ptr = argvW[i] + 3;
+
+                InstallUILevel = INSTALLUILEVEL_BASIC;
+
+                while (*ptr)
+                {
+                    if (msi_strprefix(ptr, "+"))
+                        InstallUILevel |= INSTALLUILEVEL_ENDDIALOG;
+                    if (msi_strprefix(ptr, "-"))
+                        InstallUILevel |= INSTALLUILEVEL_PROGRESSONLY;
+                    if (msi_strprefix(ptr, "!"))
+                    {
+                        WINE_FIXME("Unhandled modifier: !\n");
+                        InstallUILevel |= INSTALLUILEVEL_HIDECANCEL;
+                    }
+                    ptr++;
+                }
 			}
 			else
 			{
@@ -927,6 +920,14 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 					 wine_dbgstr_w(argvW[i]+2));
 			}
 		}
+                else if(msi_option_equal(argvW[i], "passive"))
+                {
+                    static const WCHAR rebootpromptW[] =
+                        {'R','E','B','O','O','T','P','R','O','M','P','T','=','"','S','"',0};
+
+                    InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_PROGRESSONLY|INSTALLUILEVEL_HIDECANCEL;
+                    StringListAppend(&property_list, rebootpromptW);
+                }
 		else if(msi_option_equal(argvW[i], "y"))
 		{
 			FunctionDllRegisterServer = TRUE;
diff --git a/reactos/media/doc/README.WINE b/reactos/media/doc/README.WINE
index 2189af465cf..432650cc913 100644
--- a/reactos/media/doc/README.WINE
+++ b/reactos/media/doc/README.WINE
@@ -243,7 +243,7 @@ reactos/base/applications/winhlp32          # Synced to WineStaging-1.7.55
 reactos/base/applications/wordpad           # Synced to WineStaging-1.7.55
 reactos/base/services/rpcss                 # Synced to WineStaging-1.7.55
 reactos/base/system/expand                  # Synced to WineStaging-1.7.47
-reactos/base/system/msiexec                 # Synced to WineStaging-1.7.47
+reactos/base/system/msiexec                 # Synced to WineStaging-1.7.55
 reactos/modules/rosapps/winfile             # Autosync
 
 In addition the following libs, dlls and source files are mostly based on code ported