diff --git a/src/libraries/System.Data.OleDb/src/OleDbCommand.cs b/src/libraries/System.Data.OleDb/src/OleDbCommand.cs
index 0f8581f708e582..23d7124e8434ee 100644
--- a/src/libraries/System.Data.OleDb/src/OleDbCommand.cs
+++ b/src/libraries/System.Data.OleDb/src/OleDbCommand.cs
@@ -411,14 +411,38 @@ private void CreateAccessor()
             _dbBindings = bindings;
         }
 
-        private void ApplyParameterBindings(UnsafeNativeMethods.ICommandWithParameters commandWithParameters, tagDBPARAMBINDINFO[] bindInfo)
+        private unsafe void ApplyParameterBindings(UnsafeNativeMethods.ICommandWithParameters commandWithParameters, tagDBPARAMBINDINFO[] bindInfo)
         {
             IntPtr[] ordinals = new IntPtr[bindInfo.Length];
             for (int i = 0; i < ordinals.Length; ++i)
             {
                 ordinals[i] = (IntPtr)(i + 1);
             }
-            OleDbHResult hr = commandWithParameters.SetParameterInfo((IntPtr)bindInfo.Length, ordinals, bindInfo);
+
+            OleDbHResult hr;
+
+            if (ODB.IsRunningOnX86)
+            {
+                tagDBPARAMBINDINFO_x86[] bindInfo_x86 = new tagDBPARAMBINDINFO_x86[bindInfo.Length];
+                for (int i = 0; i < bindInfo.Length; i++)
+                {
+                    fixed (tagDBPARAMBINDINFO* p = &bindInfo[i])
+                    {
+                        bindInfo_x86[i] = *(tagDBPARAMBINDINFO_x86*)p;
+                    }
+                }
+                fixed (tagDBPARAMBINDINFO_x86* p = &bindInfo_x86[0])
+                {
+                    hr = commandWithParameters.SetParameterInfo((IntPtr)bindInfo.Length, ordinals, (IntPtr)p);
+                }
+            }
+            else
+            {
+                fixed (tagDBPARAMBINDINFO* p = &bindInfo[0])
+                {
+                    hr = commandWithParameters.SetParameterInfo((IntPtr)bindInfo.Length, ordinals, (IntPtr)p);
+                }
+            }
 
             if (hr < 0)
             {
diff --git a/src/libraries/System.Data.OleDb/src/OleDbStruct.cs b/src/libraries/System.Data.OleDb/src/OleDbStruct.cs
index 1254602394db7a..2dfff4fc61101e 100644
--- a/src/libraries/System.Data.OleDb/src/OleDbStruct.cs
+++ b/src/libraries/System.Data.OleDb/src/OleDbStruct.cs
@@ -33,11 +33,36 @@ typedef struct tagDBPARAMBINDINFO {
     }
 #endif
 
-#if (WIN32 && !ARCH_arm)
-    [StructLayoutAttribute(LayoutKind.Sequential, Pack = 2)]
-#else
-    [StructLayout(LayoutKind.Sequential, Pack = 8)]
+
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    internal struct tagDBPARAMBINDINFO_x86
+    {
+        internal IntPtr pwszDataSourceType;
+        internal IntPtr pwszName;
+        internal IntPtr ulParamSize;
+        internal int dwFlags;
+        internal byte bPrecision;
+        internal byte bScale;
+
+#if DEBUG
+        public override string ToString()
+        {
+            StringBuilder builder = new StringBuilder();
+            builder.Append("tagDBPARAMBINDINFO_x86").Append(Environment.NewLine);
+            if (IntPtr.Zero != pwszDataSourceType)
+            {
+                builder.Append("pwszDataSourceType =").Append(Marshal.PtrToStringUni(pwszDataSourceType)).Append(Environment.NewLine);
+            }
+            builder.Append("\tulParamSize  =" + ulParamSize.ToInt64().ToString(CultureInfo.InvariantCulture)).Append(Environment.NewLine);
+            builder.Append("\tdwFlags     =0x" + dwFlags.ToString("X4", CultureInfo.InvariantCulture)).Append(Environment.NewLine);
+            builder.Append("\tPrecision   =" + bPrecision.ToString(CultureInfo.InvariantCulture)).Append(Environment.NewLine);
+            builder.Append("\tScale       =" + bScale.ToString(CultureInfo.InvariantCulture)).Append(Environment.NewLine);
+            return builder.ToString();
+        }
 #endif
+    }
+
+    [StructLayout(LayoutKind.Sequential, Pack = 8)]
     internal struct tagDBPARAMBINDINFO
     {
         internal IntPtr pwszDataSourceType;
diff --git a/src/libraries/System.Data.OleDb/src/OleDb_Util.cs b/src/libraries/System.Data.OleDb/src/OleDb_Util.cs
index 0d68b7a11d0fb4..5487ba68852fb0 100644
--- a/src/libraries/System.Data.OleDb/src/OleDb_Util.cs
+++ b/src/libraries/System.Data.OleDb/src/OleDb_Util.cs
@@ -687,6 +687,8 @@ internal static InvalidOperationException IDBInfoNotSupported()
         internal const string DbInfoKeywords = "DbInfoKeywords";
         internal const string Keyword = "Keyword";
 
+        internal static readonly bool IsRunningOnX86 = RuntimeInformation.ProcessArchitecture == Architecture.X86;
+
         // Debug error string writeline
         internal static string ELookup(OleDbHResult hr)
         {
diff --git a/src/libraries/System.Data.OleDb/src/UnsafeNativeMethods.cs b/src/libraries/System.Data.OleDb/src/UnsafeNativeMethods.cs
index d18c574731bcff..07df57c6c14831 100644
--- a/src/libraries/System.Data.OleDb/src/UnsafeNativeMethods.cs
+++ b/src/libraries/System.Data.OleDb/src/UnsafeNativeMethods.cs
@@ -409,7 +409,7 @@ HRESULT SetParameterInfo(
             System.Data.OleDb.OleDbHResult SetParameterInfo(
                 [In] IntPtr cParams,
                 [In, MarshalAs(UnmanagedType.LPArray)] IntPtr[] rgParamOrdinals,
-                [In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.Struct)] System.Data.OleDb.tagDBPARAMBINDINFO[] rgParamBindInfo);
+                [In] IntPtr rgParamBindInfo);
         }
 
         [Guid("2206CCB1-19C1-11D1-89E0-00C04FD7A829"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown), ComImport, SuppressUnmanagedCodeSecurity]