diff --git a/external-sop/src/main/kotlin/sop/external/ExternalSOP.kt b/external-sop/src/main/kotlin/sop/external/ExternalSOP.kt
index 8ab7737..1291433 100644
--- a/external-sop/src/main/kotlin/sop/external/ExternalSOP.kt
+++ b/external-sop/src/main/kotlin/sop/external/ExternalSOP.kt
@@ -182,7 +182,7 @@ class ExternalSOP(
                         "External SOP backend reported error NoHardwareKeyFound ($exitCode):\n$errorMessage")
                 HardwareKeyFailure.EXIT_CODE ->
                     throw HardwareKeyFailure(
-                        "External SOP backend reported error HardwareKeyFalure ($exitCode):\n$errorMessage")
+                        "External SOP backend reported error HardwareKeyFailure ($exitCode):\n$errorMessage")
                 PrimaryKeyBad.EXIT_CODE ->
                     throw PrimaryKeyBad(
                         "External SOP backend reported error PrimaryKeyBad ($exitCode):\n$errorMessage")