diff --git a/internal/collector/mssql/mssql_access_methods.go b/internal/collector/mssql/mssql_access_methods.go
index ee987cd3..d937165c 100644
--- a/internal/collector/mssql/mssql_access_methods.go
+++ b/internal/collector/mssql/mssql_access_methods.go
@@ -120,7 +120,7 @@ type perfDataCounterValuesAccessMethods struct {
 	AccessMethodsWorkfilesCreatedPerSec        float64 `perfdata:"Workfiles Created/sec"`
 	AccessMethodsWorktablesCreatedPerSec       float64 `perfdata:"Worktables Created/sec"`
 	AccessMethodsWorktablesFromCacheRatio      float64 `perfdata:"Worktables From Cache Ratio"`
-	AccessMethodsWorktablesFromCacheRatioBase  float64 `perfdata:"Worktables From Cache Base,secondvalue"`
+	AccessMethodsWorktablesFromCacheRatioBase  float64 `perfdata:"Worktables From Cache Ratio,secondvalue"`
 }
 
 func (c *Collector) buildAccessMethods() error {
diff --git a/internal/collector/mssql/mssql_buffer_manager.go b/internal/collector/mssql/mssql_buffer_manager.go
index 93b75150..f0307a6e 100644
--- a/internal/collector/mssql/mssql_buffer_manager.go
+++ b/internal/collector/mssql/mssql_buffer_manager.go
@@ -58,7 +58,7 @@ type collectorBufferManager struct {
 type perfDataCounterValuesBufMan struct {
 	BufManBackgroundWriterPagesPerSec   float64 `perfdata:"Background writer pages/sec"`
 	BufManBufferCacheHitRatio           float64 `perfdata:"Buffer cache hit ratio"`
-	BufManBufferCacheHitRatioBase       float64 `perfdata:"Buffer cache hit ratio base,secondvalue"`
+	BufManBufferCacheHitRatioBase       float64 `perfdata:"Buffer cache hit ratio,secondvalue"`
 	BufManCheckpointPagesPerSec         float64 `perfdata:"Checkpoint pages/sec"`
 	BufManDatabasePages                 float64 `perfdata:"Database pages"`
 	BufManExtensionAllocatedPages       float64 `perfdata:"Extension allocated pages"`
diff --git a/internal/collector/mssql/mssql_database.go b/internal/collector/mssql/mssql_database.go
index f1fcc4d9..e068c132 100644
--- a/internal/collector/mssql/mssql_database.go
+++ b/internal/collector/mssql/mssql_database.go
@@ -95,7 +95,7 @@ type perfDataCounterValuesDatabases struct {
 	DatabasesGroupCommitTimePerSec            float64 `perfdata:"Group Commit Time/sec"`
 	DatabasesLogBytesFlushedPerSec            float64 `perfdata:"Log Bytes Flushed/sec"`
 	DatabasesLogCacheHitRatio                 float64 `perfdata:"Log Cache Hit Ratio"`
-	DatabasesLogCacheHitRatioBase             float64 `perfdata:"Log Cache Hit Ratio Base,secondvalue"`
+	DatabasesLogCacheHitRatioBase             float64 `perfdata:"Log Cache Hit Ratio,secondvalue"`
 	DatabasesLogCacheReadsPerSec              float64 `perfdata:"Log Cache Reads/sec"`
 	DatabasesLogFilesSizeKB                   float64 `perfdata:"Log File(s) Size (KB)"`
 	DatabasesLogFilesUsedSizeKB               float64 `perfdata:"Log File(s) Used Size (KB)"`
diff --git a/internal/collector/mssql/mssql_locks.go b/internal/collector/mssql/mssql_locks.go
index 6663f3da..9cde27e3 100644
--- a/internal/collector/mssql/mssql_locks.go
+++ b/internal/collector/mssql/mssql_locks.go
@@ -45,7 +45,7 @@ type perfDataCounterValuesLocks struct {
 	Name string
 
 	LocksAverageWaitTimeMS          float64 `perfdata:"Average Wait Time (ms)"`
-	LocksAverageWaitTimeMSBase      float64 `perfdata:"Average Wait Time Base,secondvalue"`
+	LocksAverageWaitTimeMSBase      float64 `perfdata:"Average Wait Time (ms),secondvalue"`
 	LocksLockRequestsPerSec         float64 `perfdata:"Lock Requests/sec"`
 	LocksLockTimeoutsPerSec         float64 `perfdata:"Lock Timeouts/sec"`
 	LocksLockTimeoutsTimeout0PerSec float64 `perfdata:"Lock Timeouts (timeout > 0)/sec"`