diff --git a/mono/metadata/icall-def-netcore.h b/mono/metadata/icall-def-netcore.h
index 896100914eb1..60283d09e9da 100644
--- a/mono/metadata/icall-def-netcore.h
+++ b/mono/metadata/icall-def-netcore.h
@@ -344,11 +344,6 @@ HANDLES(GCH_2, "InternalFree", ves_icall_System_GCHandle_InternalFree, void, 1,
 HANDLES(GCH_3, "InternalGet", ves_icall_System_GCHandle_InternalGet, MonoObject, 1, (gpointer))
 HANDLES(GCH_4, "InternalSet", ves_icall_System_GCHandle_InternalSet, void, 2, (gpointer, MonoObject))
 
-
-ICALL_TYPE(MONOEXT, "BepInEx.MonoExtensions", MONOEXT_1)
-HANDLES(MONOEXT_1, "GetFunctionPointerForDelegateInternal2", ves_icall_BepInEx_MonoExtensions_GetFunctionPointerForDelegateInternal2, gpointer, 2, (MonoDelegate, gint32))
-
-
 ICALL_TYPE(MARSHAL, "System.Runtime.InteropServices.Marshal", MARSHAL_2)
 NOHANDLES(ICALL(MARSHAL_2, "AllocCoTaskMem", ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem))
 NOHANDLES(ICALL(MARSHAL_3, "AllocHGlobal", ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal))
diff --git a/mono/metadata/icall-def.h b/mono/metadata/icall-def.h
index 7edc6dbcbc4d..af8a10df26e3 100644
--- a/mono/metadata/icall-def.h
+++ b/mono/metadata/icall-def.h
@@ -111,6 +111,11 @@
 #include "icall-def-netcore.h"
 #else
 
+
+
+ICALL_TYPE(MONOEXT, "BepInEx.MonoExtensions", MONOEXT_1)
+HANDLES(MONOEXT_1, "GetFunctionPointerForDelegateInternal2", ves_icall_BepInEx_MonoExtensions_GetFunctionPointerForDelegateInternal2, gpointer, 2, (MonoDelegate, gint32))
+
 ICALL_TYPE(CLR_INTEROP_SYS, "Interop/Sys", CLR_INTEROP_SYS_1)
 NOHANDLES(ICALL(CLR_INTEROP_SYS_1, "DoubleToString", ves_icall_Interop_Sys_DoubleToString))
 
@@ -748,9 +753,6 @@ HANDLES(GCH_4, "GetTarget", ves_icall_System_GCHandle_GetTarget, MonoObject, 1,
 HANDLES(GCH_5, "GetTargetHandle", ves_icall_System_GCHandle_GetTargetHandle, gpointer, 3, (MonoObject, gpointer, gint32))
 
 
-ICALL_TYPE(MONOEXT, "BepInEx.MonoExtensions", MONOEXT_1)
-HANDLES(MONOEXT_1, "GetFunctionPointerForDelegateInternal2", ves_icall_BepInEx_MonoExtensions_GetFunctionPointerForDelegateInternal2, gpointer, 2, (MonoDelegate, gint32))
-
 #if !defined(DISABLE_COM) || defined (HOST_WIN32)
 ICALL_TYPE(MARSHAL, "System.Runtime.InteropServices.Marshal", MARSHAL_1)
 NOHANDLES(ICALL(MARSHAL_1, "AddRefInternal", ves_icall_System_Runtime_InteropServices_Marshal_AddRefInternal))
diff --git a/mono/metadata/marshal.c b/mono/metadata/marshal.c
index d11ed7b0a7a0..65ae77c56111 100644
--- a/mono/metadata/marshal.c
+++ b/mono/metadata/marshal.c
@@ -4055,13 +4055,10 @@ mono_marshal_get_managed_wrapper_2 (MonoMethod *method, MonoClass *delegate_klas
 	 * options.
 	 */
 
-	if (callConv < 0)
-	{
-		cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
+	cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
 
-		if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
-			return res;
-	}
+	if (callConv < 0 && !target_handle && (res = mono_marshal_find_in_cache (cache, method)))
+		return res;
 
 	if (G_UNLIKELY (!delegate_klass)) {
 		/* creating a wrapper for a function pointer with UnmanagedCallersOnlyAttribute */
@@ -4191,7 +4188,7 @@ mono_marshal_get_managed_wrapper_2 (MonoMethod *method, MonoClass *delegate_klas
 	}
 
 	if (callConv > -1)
-		csig->call_convention = callConv;
+		csig->call_convention = callConv - 1;
 
 	mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);