diff --git a/src/ops/copyoperation.cpp b/src/ops/copyoperation.cpp
index aae557b..0a3d8ec 100644
--- a/src/ops/copyoperation.cpp
+++ b/src/ops/copyoperation.cpp
@@ -61,11 +61,11 @@ CopyOperation::CopyOperation(Device& targetdevice, Partition* copiedpartition, D
 
     Partition* dest = targetDevice().partitionTable()->findPartitionBySector(copiedPartition().firstSector(), PartitionRole(PartitionRole::Primary | PartitionRole::Logical | PartitionRole::Unallocated));
 
-    Q_ASSERT(dest);
-
     if (dest == nullptr)
         qWarning() << "destination partition not found at sector " << copiedPartition().firstSector();
 
+    Q_ASSERT(dest);
+
     if (dest && !dest->roles().has(PartitionRole::Unallocated)) {
         copiedPartition().setLastSector(dest->lastSector());
         setOverwrittenPartition(dest);