diff --git a/fdbserver/DiskQueue.actor.cpp b/fdbserver/DiskQueue.actor.cpp
index a1be3733e6..1efc6ecee6 100644
--- a/fdbserver/DiskQueue.actor.cpp
+++ b/fdbserver/DiskQueue.actor.cpp
@@ -385,6 +385,7 @@ public:
 						waitfor.push_back(self->files[1].f->truncate(self->fileExtensionBytes));
 						self->files[1].size = self->fileExtensionBytes;
 					} else {
+						TEST(true); // Truncating DiskQueue file
 						const int64_t startingSize = self->files[1].size;
 						self->files[1].size -= std::min(maxShrink, self->files[1].size);
 						self->files[1].size = std::max(self->files[1].size, self->fileExtensionBytes);
diff --git a/fdbserver/Knobs.cpp b/fdbserver/Knobs.cpp
index ad4c797b8d..993ad64e4f 100644
--- a/fdbserver/Knobs.cpp
+++ b/fdbserver/Knobs.cpp
@@ -83,7 +83,7 @@ void ServerKnobs::initialize(bool randomize, ClientKnobs* clientKnobs, bool isSi
 	init( TLOG_SPILL_REFERENCE_MAX_BYTES_PER_BATCH,           16<<10 ); if ( randomize && BUGGIFY ) TLOG_SPILL_REFERENCE_MAX_BYTES_PER_BATCH = 500;
 	init( DISK_QUEUE_FILE_EXTENSION_BYTES,                    10<<20 ); // BUGGIFYd per file within the DiskQueue
 	init( DISK_QUEUE_FILE_SHRINK_BYTES,                      100<<20 ); // BUGGIFYd per file within the DiskQueue
-	init( DISK_QUEUE_MAX_TRUNCATE_BYTES,                       2<<30 ); if ( randomize && BUGGIFY ) DISK_QUEUE_MAX_TRUNCATE_BYTES = 0;
+	init( DISK_QUEUE_MAX_TRUNCATE_BYTES,                     2LL<<30 ); if ( randomize && BUGGIFY ) DISK_QUEUE_MAX_TRUNCATE_BYTES = 0;
 	init( TLOG_DEGRADED_DURATION,                                5.0 );
 	init( MAX_CACHE_VERSIONS,                                   10e6 );
 	init( TLOG_IGNORE_POP_AUTO_ENABLE_DELAY,                   300.0 );
diff --git a/fdbserver/Knobs.h b/fdbserver/Knobs.h
index 9a5f2a528c..5f91f0eff8 100644
--- a/fdbserver/Knobs.h
+++ b/fdbserver/Knobs.h
@@ -84,7 +84,7 @@ public:
 	int64_t TLOG_SPILL_REFERENCE_MAX_BYTES_PER_BATCH;
 	int64_t DISK_QUEUE_FILE_EXTENSION_BYTES; // When we grow the disk queue, by how many bytes should it grow?
 	int64_t DISK_QUEUE_FILE_SHRINK_BYTES; // When we shrink the disk queue, by how many bytes should it shrink?
-	int DISK_QUEUE_MAX_TRUNCATE_BYTES; // A truncate larger than this will cause the file to be replaced instead.
+	int64_t DISK_QUEUE_MAX_TRUNCATE_BYTES; // A truncate larger than this will cause the file to be replaced instead.
 	double TLOG_DEGRADED_DURATION;
 	int64_t MAX_CACHE_VERSIONS;
 	double TXS_POPPED_MAX_DELAY;