diff --git a/cg/constants/constants.py b/cg/constants/constants.py
index 594a229324..427621b7c7 100644
--- a/cg/constants/constants.py
+++ b/cg/constants/constants.py
@@ -261,7 +261,7 @@ class MicrosaltAppTags(StrEnum):
 class MutantQC:
     EXTERNAL_NEGATIVE_CONTROL_READS_THRESHOLD: int = 100000
     INTERNAL_NEGATIVE_CONTROL_READS_THRESHOLD: int = 2000
-    FRACTION_OF_SAMPLES_WITH_FAILED_QC_TRESHOLD: float = 0.2
+    FRACTION_OF_SAMPLES_WITH_FAILED_QC_THRESHOLD: float = 0.2
     QUALITY_REPORT_FILE_NAME: str = f"QC_report{FileExtensions.JSON}"
 
 
diff --git a/cg/meta/workflow/mutant/quality_controller/quality_controller.py b/cg/meta/workflow/mutant/quality_controller/quality_controller.py
index a377a78261..1638a1ca80 100644
--- a/cg/meta/workflow/mutant/quality_controller/quality_controller.py
+++ b/cg/meta/workflow/mutant/quality_controller/quality_controller.py
@@ -206,7 +206,7 @@ def _samples_pass_qc(samples_quality_results: SamplesQualityResults) -> bool:
             samples_quality_results.failed_samples_count
             / samples_quality_results.total_samples_count
         )
-        return fraction_failed_samples < MutantQC.FRACTION_OF_SAMPLES_WITH_FAILED_QC_TRESHOLD
+        return fraction_failed_samples < MutantQC.FRACTION_OF_SAMPLES_WITH_FAILED_QC_THRESHOLD
 
     def _get_internal_negative_control_id_for_case(self, case: Case) -> str:
         """Query lims to retrive internal_negative_control_id for a mutant case sequenced in one pool."""