diff --git a/protocol-designer/src/pages/Designer/ProtocolSteps/StepSummary.tsx b/protocol-designer/src/pages/Designer/ProtocolSteps/StepSummary.tsx
index 1daf86148ee..8e86abdb2ed 100644
--- a/protocol-designer/src/pages/Designer/ProtocolSteps/StepSummary.tsx
+++ b/protocol-designer/src/pages/Designer/ProtocolSteps/StepSummary.tsx
@@ -267,18 +267,19 @@ export function StepSummary(props: StepSummaryProps): JSX.Element | null {
         setTemperature,
         targetTemperature,
       } = currentStep
-      const isDeactivating = setTemperature === 'false'
+      const isSettingTemperature =
+        setTemperature != null && JSON.parse(String(setTemperature ?? false))
       const tempModuleDisplayName =
         getModuleDisplayName(modules[tempModuleId]?.model) ?? unknownModule
-      stepSummaryContent = isDeactivating ? (
+      stepSummaryContent = isSettingTemperature ? (
         <StyledTrans
-          i18nKey={'protocol_steps:temperature_module.deactivated'}
+          i18nKey={'protocol_steps:temperature_module.active'}
+          tagText={`${targetTemperature}${t('application:units.degrees')}`}
           values={{ module: tempModuleDisplayName }}
         />
       ) : (
         <StyledTrans
-          i18nKey={'protocol_steps:temperature_module.active'}
-          tagText={`${targetTemperature}${t('application:units.degrees')}`}
+          i18nKey={'protocol_steps:temperature_module.deactivated'}
           values={{ module: tempModuleDisplayName }}
         />
       )
diff --git a/protocol-designer/src/steplist/formLevel/errors.ts b/protocol-designer/src/steplist/formLevel/errors.ts
index 71dd9c859c8..efead9117ef 100644
--- a/protocol-designer/src/steplist/formLevel/errors.ts
+++ b/protocol-designer/src/steplist/formLevel/errors.ts
@@ -559,7 +559,7 @@ export const targetTemperatureRequired = (
   fields: HydratedFormData
 ): FormError | null => {
   const { setTemperature, targetTemperature } = fields
-  return setTemperature && !targetTemperature
+  return JSON.parse(String(setTemperature ?? false)) && !targetTemperature
     ? TARGET_TEMPERATURE_REQUIRED
     : null
 }