diff --git a/CodeExecution/Invoke-Shellcode.ps1 b/CodeExecution/Invoke-Shellcode.ps1
index 28795583..5f5ae60a 100644
--- a/CodeExecution/Invoke-Shellcode.ps1
+++ b/CodeExecution/Invoke-Shellcode.ps1
@@ -131,7 +131,7 @@ Warning: This script has no way to validate that your shellcode is 32 vs. 64-bit
         $UnsafeNativeMethods = $SystemAssembly.GetType('Microsoft.Win32.UnsafeNativeMethods')
         # Get a reference to the GetModuleHandle and GetProcAddress methods
         $GetModuleHandle = $UnsafeNativeMethods.GetMethod('GetModuleHandle')
-        $GetProcAddress = $UnsafeNativeMethods.GetMethod('GetProcAddress')
+        $GetProcAddress = $UnsafeNativeMethods.GetMethod('GetProcAddress' , [reflection.bindingflags] "Public,Static", $null, [System.Reflection.CallingConventions]::Any, @((New-Object System.Runtime.InteropServices.HandleRef).GetType(), [string]), $null)
         # Get a handle to the module specified
         $Kern32Handle = $GetModuleHandle.Invoke($null, @($Module))
         $tmpPtr = New-Object IntPtr