diff --git a/pkg/compiler/analysis.go b/pkg/compiler/analysis.go
index e4ac01a94..23ab6dede 100644
--- a/pkg/compiler/analysis.go
+++ b/pkg/compiler/analysis.go
@@ -563,6 +563,11 @@ func (c *codegen) checkGenericsFuncDecl(n *ast.FuncDecl, funcName string) error
 		}
 	}
 
+	// Generic function parameters type: func SumInts[V int64 | int32](vals []V) V
+	if n.Type.TypeParams != nil {
+		errGenerics = errors.New("function type parameters")
+	}
+
 	if errGenerics != nil {
 		return fmt.Errorf("%w: %s has %s", ErrGenericsUnsuppored, funcName, errGenerics.Error())
 	}
diff --git a/pkg/compiler/generics_test.go b/pkg/compiler/generics_test.go
index 6a73d65c5..28eb00fda 100644
--- a/pkg/compiler/generics_test.go
+++ b/pkg/compiler/generics_test.go
@@ -36,3 +36,18 @@ func TestGenericMethodReceiver(t *testing.T) {
 		require.ErrorIs(t, err, compiler.ErrGenericsUnsuppored)
 	})
 }
+
+func TestGenericFuncArgument(t *testing.T) {
+	src := `
+		package sum
+		func SumInts[V int64 | int32 | int16](vals []V) V { // doesn't make sense with NeoVM, but still it's a valid go code.
+			var s V
+			for i := range vals {
+				s += vals[i]
+			}
+			return s
+		}
+`
+	_, _, err := compiler.CompileWithOptions("foo.go", strings.NewReader(src), nil)
+	require.ErrorIs(t, err, compiler.ErrGenericsUnsuppored)
+}