diff --git a/src/duckstation-qt/postprocessingshaderconfigwidget.cpp b/src/duckstation-qt/postprocessingshaderconfigwidget.cpp
index 872ed6cf3..b858401ef 100644
--- a/src/duckstation-qt/postprocessingshaderconfigwidget.cpp
+++ b/src/duckstation-qt/postprocessingshaderconfigwidget.cpp
@@ -27,14 +27,14 @@ void PostProcessingShaderConfigWidget::createUi()
     if (option.type == PostProcessingShader::Option::Type::Bool)
     {
       QCheckBox* checkbox = new QCheckBox(QString::fromStdString(option.ui_name), this);
-      checkbox->setChecked(option.value[0].bool_value);
+      checkbox->setChecked(option.value[0].int_value != 0);
       connect(checkbox, &QCheckBox::stateChanged, [this, &option](int state) {
-        option.value[0].bool_value = (state == Qt::Checked);
+        option.value[0].int_value = (state == Qt::Checked) ? 1 : 0;
         configChanged();
       });
       connect(this, &PostProcessingShaderConfigWidget::resettingtoDefaults, [&option, checkbox]() {
         QSignalBlocker sb(checkbox);
-        checkbox->setChecked(option.default_value[0].bool_value);
+        checkbox->setChecked(option.default_value[0].int_value != 0);
         option.value = option.default_value;
       });
       m_layout->addWidget(checkbox, row, 0, 1, 3, Qt::AlignLeft);
diff --git a/src/frontend-common/postprocessing_shader.cpp b/src/frontend-common/postprocessing_shader.cpp
index 50855fc42..8cbcd50b8 100644
--- a/src/frontend-common/postprocessing_shader.cpp
+++ b/src/frontend-common/postprocessing_shader.cpp
@@ -166,7 +166,7 @@ std::string PostProcessingShader::GetConfigString() const
       switch (option.type)
       {
         case Option::Type::Bool:
-          ss << option.value[i].bool_value ? "true" : "false";
+          ss << (option.value[i].int_value != 0) ? "true" : "false";
           break;
 
         case Option::Type::Int:
@@ -209,7 +209,7 @@ void PostProcessingShader::SetConfigString(const std::string_view& str)
         switch (option->type)
         {
           case Option::Type::Bool:
-            option->value[0].bool_value = StringUtil::FromChars<bool>(value).value_or(false);
+            option->value[0].int_value = StringUtil::FromChars<bool>(value).value_or(false) ? 1 : 0;
             break;
 
           case Option::Type::Int:
@@ -389,7 +389,7 @@ void PostProcessingShader::LoadOptions()
 
           u32 size = 0;
           if (current_option.type == Option::Type::Bool)
-            (*dst_array)[size++].bool_value = StringUtil::FromChars<bool>(value).value_or(false);
+            (*dst_array)[size++].int_value = StringUtil::FromChars<bool>(value).value_or(false) ? 1 : 0;
           else if (current_option.type == Option::Type::Float)
             size = ParseVector<float>(value, dst_array);
           else if (current_option.type == Option::Type::Int)
diff --git a/src/frontend-common/postprocessing_shader.h b/src/frontend-common/postprocessing_shader.h
index 0a708c638..4f6905900 100644
--- a/src/frontend-common/postprocessing_shader.h
+++ b/src/frontend-common/postprocessing_shader.h
@@ -33,7 +33,6 @@ public:
 
     union Value
     {
-      bool bool_value;
       s32 int_value;
       float float_value;
     };