1 files changed, 1 insertions, 0 deletions
diff --git a/gpt.cc b/gpt.cc
index 76cd9ad..24d6918 100644
--- a/gpt.cc
+++ b/gpt.cc
@@ -80,6 +80,7 @@ GPTData::GPTData(void) {
    beQuiet = 0;
    whichWasUsed = use_new;
    mainHeader.numParts = 0;
+   mainHeader.firstUsableLBA = 0;
    mainHeader.lastUsableLBA = 0;
    numParts = 0;
    SetGPTSize(NUM_GPT_ENTRIES);