diff --git a/external-sop/src/main/kotlin/sop/external/operation/DecryptExternal.kt b/external-sop/src/main/kotlin/sop/external/operation/DecryptExternal.kt
index e0a900d..1e6d6a2 100644
--- a/external-sop/src/main/kotlin/sop/external/operation/DecryptExternal.kt
+++ b/external-sop/src/main/kotlin/sop/external/operation/DecryptExternal.kt
@@ -78,7 +78,7 @@ class DecryptExternal(
         val verifyOut = File(tempDir, "verifications-out")
         verifyOut.delete()
         if (requireVerification) {
-            commandList.add("--verify-out=${verifyOut.absolutePath}")
+            commandList.add("--verifications-out=${verifyOut.absolutePath}")
         }
 
         try {