diff --git a/spirv_msl.cpp b/spirv_msl.cpp
index 3d6a7d37..a3a21061 100644
--- a/spirv_msl.cpp
+++ b/spirv_msl.cpp
@@ -2819,7 +2819,7 @@ void CompilerMSL::add_variable_to_interface_block(StorageClass storage, const st
 		add_tess_level_input_to_interface_block(ib_var_ref, ib_type, var);
 	}
 	else if (var_type.basetype == SPIRType::Boolean || var_type.basetype == SPIRType::Char ||
-	         type_is_integral(var_type) || type_is_floating_point(var_type) || var_type.basetype == SPIRType::Boolean)
+	         type_is_integral(var_type) || type_is_floating_point(var_type))
 	{
 		if (!is_builtin || has_active_builtin(builtin, storage))
 		{