diff --git a/src/obiblob.c b/src/obiblob.c
index 1547770..66a5c9c 100644
--- a/src/obiblob.c
+++ b/src/obiblob.c
@@ -32,7 +32,7 @@ Obi_blob_p obi_blob(byte_t* encoded_value, uint8_t element_size, int32_t length_
 	Obi_blob_p blob;
 
 	// Allocate the memory for the blob structure
-	blob = (Obi_blob_p) malloc(sizeof(Obi_blob_t) + length_encoded_value);
+	blob = (Obi_blob_p) calloc(sizeof(Obi_blob_t) + length_encoded_value, sizeof(byte_t));
 	if (blob == NULL)
 	{
 		obi_set_errno(OBI_MALLOC_ERROR);