diff --git a/internal/collector/iis/iis_w3svc_w3wp.go b/internal/collector/iis/iis_w3svc_w3wp.go
index 0df7ba398..22cbb037f 100644
--- a/internal/collector/iis/iis_w3svc_w3wp.go
+++ b/internal/collector/iis/iis_w3svc_w3wp.go
@@ -405,7 +405,7 @@ func (c *Collector) collectW3SVCW3WP(ch chan<- prometheus.Metric) error {
 }
 
 func (c *Collector) collectW3SVCW3WPv8(ch chan<- prometheus.Metric) error {
-	err := c.w3SVCW3WPPerfDataCollector.Collect(&c.perfDataObjectW3SVCW3WPV8)
+	err := c.w3SVCW3WPPerfDataCollectorV8.Collect(&c.perfDataObjectW3SVCW3WPV8)
 	if err != nil {
 		return fmt.Errorf("failed to collect APP_POOL_WAS metrics: %w", err)
 	}
diff --git a/internal/collector/vmware/types.go b/internal/collector/vmware/types.go
index e9a19e15f..485089cfc 100644
--- a/internal/collector/vmware/types.go
+++ b/internal/collector/vmware/types.go
@@ -16,13 +16,13 @@
 package vmware
 
 type perfDataCounterValuesCPU struct {
-	CouEffectiveVMSpeedMHz   float64 `perfdata:"Effective VM Speed in MHz"`   // \VM Processor(*)\Effective VM Speed in MHz
-	CpuHostProcessorSpeedMHz float64 `perfdata:"Host processor speed in MHz"` // \VM Processor(*)\Host processor speed in MHz
-	CpuLimitMHz              float64 `perfdata:"Limit in MHz"`                // \VM Processor(*)\Limit in MHz
-	CpuReservationMHz        float64 `perfdata:"Reservation in MHz"`          // \VM Processor(*)\Reservation in MHz
-	CpuShares                float64 `perfdata:"Shares"`                      // \VM Processor(*)\Shares
-	CpuStolenMs              float64 `perfdata:"CPU stolen time"`             // \VM Processor(*)\CPU stolen time
-	CpuTimePercents          float64 `perfdata:"% Processor Time"`            // \VM Processor(*)\% Processor Time
+	CPUEffectiveVMSpeedMHz   float64 `perfdata:"Effective VM Speed in MHz"`   // \VM Processor(*)\Effective VM Speed in MHz
+	CPUHostProcessorSpeedMHz float64 `perfdata:"Host processor speed in MHz"` // \VM Processor(*)\Host processor speed in MHz
+	CPULimitMHz              float64 `perfdata:"Limit in MHz"`                // \VM Processor(*)\Limit in MHz
+	CPUReservationMHz        float64 `perfdata:"Reservation in MHz"`          // \VM Processor(*)\Reservation in MHz
+	CPUShares                float64 `perfdata:"Shares"`                      // \VM Processor(*)\Shares
+	CPUStolenMs              float64 `perfdata:"CPU stolen time"`             // \VM Processor(*)\CPU stolen time
+	CPUTimePercents          float64 `perfdata:"% Processor Time"`            // \VM Processor(*)\% Processor Time
 }
 
 type perfDataCounterValuesMemory struct {
diff --git a/internal/collector/vmware/vmware.go b/internal/collector/vmware/vmware.go
index 29e7ea13f..c61b8e60f 100644
--- a/internal/collector/vmware/vmware.go
+++ b/internal/collector/vmware/vmware.go
@@ -330,43 +330,43 @@ func (c *Collector) collectCpu(ch chan<- prometheus.Metric) error {
 	ch <- prometheus.MustNewConstMetric(
 		c.cpuLimitMHz,
 		prometheus.GaugeValue,
-		c.perfDataObjectCPU[0].CpuLimitMHz,
+		c.perfDataObjectCPU[0].CPULimitMHz,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cpuReservationMHz,
 		prometheus.GaugeValue,
-		c.perfDataObjectCPU[0].CpuReservationMHz,
+		c.perfDataObjectCPU[0].CPUReservationMHz,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cpuShares,
 		prometheus.GaugeValue,
-		c.perfDataObjectCPU[0].CpuShares,
+		c.perfDataObjectCPU[0].CPUShares,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cpuStolenTotal,
 		prometheus.CounterValue,
-		utils.MilliSecToSec(c.perfDataObjectCPU[0].CpuStolenMs),
+		utils.MilliSecToSec(c.perfDataObjectCPU[0].CPUStolenMs),
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cpuTimeTotal,
 		prometheus.CounterValue,
-		utils.MilliSecToSec(c.perfDataObjectCPU[0].CpuTimePercents),
+		utils.MilliSecToSec(c.perfDataObjectCPU[0].CPUTimePercents),
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cpuEffectiveVMSpeedMHz,
 		prometheus.GaugeValue,
-		c.perfDataObjectCPU[0].CouEffectiveVMSpeedMHz,
+		c.perfDataObjectCPU[0].CPUEffectiveVMSpeedMHz,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hostProcessorSpeedMHz,
 		prometheus.GaugeValue,
-		c.perfDataObjectCPU[0].CpuHostProcessorSpeedMHz,
+		c.perfDataObjectCPU[0].CPUHostProcessorSpeedMHz,
 	)
 
 	return nil