diff --git a/include/internal.h b/include/internal.h
index dc0ea3e..549c159 100644
--- a/include/internal.h
+++ b/include/internal.h
@@ -45,6 +45,8 @@ int32_t   decode_ddt_single_level_v2(aaruformatContext *ctx, uint64_t sectorAddr
                                      uint64_t *blockOffset, uint8_t *sectorStatus);
 int32_t   decode_ddt_multi_level_v2(aaruformatContext *ctx, uint64_t sectorAddress, uint64_t *offset,
                                     uint64_t *blockOffset, uint8_t *sectorStatus);
+void      set_ddt_entry_v2(aaruformatContext *ctx, uint64_t sectorAddress, uint64_t offset, uint64_t blockOffset,
+                           uint8_t sectorStatus);
 void      set_ddt_single_level_v2(aaruformatContext *ctx, uint64_t sectorAddress, bool negative, uint64_t offset,
                                   uint64_t blockOffset, uint8_t sectorStatus);
 void      set_ddt_multi_level_v2(aaruformatContext *ctx, uint64_t sectorAddress, bool negative, uint64_t offset,
diff --git a/src/write.c b/src/write.c
index 970b0c4..1bcb2d6 100644
--- a/src/write.c
+++ b/src/write.c
@@ -120,8 +120,7 @@ int32_t aaruf_write_sector(void *context, uint64_t sectorAddress, uint8_t *data,
             pos / (1 << ctx->userDataDdtHeader.blockAlignmentShift) * (1 << ctx->userDataDdtHeader.blockAlignmentShift);
     }
 
-    // TODO: DDT entry
-
+    set_ddt_entry_v2(ctx, sectorAddress, ctx->currentBlockOffset, ctx->nextBlockPosition, sectorStatus);
     TRACE("Copying data to writing buffer at position %zu", ctx->writingBufferPosition);
     memcpy(ctx->writingBuffer, data, length);
     TRACE("Advancing writing buffer position to %zu", ctx->writingBufferPosition + length);