diff --git a/include/swtpm/tpm_ioctl.h b/include/swtpm/tpm_ioctl.h
index 18374fe..66c65db 100644
--- a/include/swtpm/tpm_ioctl.h
+++ b/include/swtpm/tpm_ioctl.h
@@ -97,7 +97,7 @@ struct ptm_getstate {
         struct {
             uint32_t state_flags; /* may be: STATE_FLAG_DECRYPTED */
             uint32_t tpm_number;  /* always set to zero */
-            uint8_t type;         /* which blob to pull */
+            uint32_t type;        /* which blob to pull */
             uint32_t offset;      /* offset from where to read */
         } req;
         struct {
@@ -129,7 +129,7 @@ struct ptm_setstate {
         struct {
             uint32_t state_flags; /* may be STATE_FLAG_ENCRYPTED */
             uint32_t tpm_number;  /* always set to 0 */
-            uint8_t type;         /* which blob to set */
+            uint32_t type;        /* which blob to set */
             uint32_t length;
             uint8_t data[STATE_BLOB_SIZE];
         } req;
diff --git a/src/swtpm/cuse_tpm.c b/src/swtpm/cuse_tpm.c
index 51a49ed..409c64c 100644
--- a/src/swtpm/cuse_tpm.c
+++ b/src/swtpm/cuse_tpm.c
@@ -425,7 +425,7 @@ error_terminate:
  * convert the blobtype integer into a string that libtpms
  * understands
  */
-static const char *ptm_get_blobname(uint8_t blobtype)
+static const char *ptm_get_blobname(uint32_t blobtype)
 {
     switch (blobtype) {
     case PTM_BLOB_TYPE_PERMANENT:
diff --git a/src/swtpm_ioctl/tpm_ioctl.c b/src/swtpm_ioctl/tpm_ioctl.c
index 0ba1345..0f521c8 100644
--- a/src/swtpm_ioctl/tpm_ioctl.c
+++ b/src/swtpm_ioctl/tpm_ioctl.c
@@ -155,7 +155,7 @@ static int do_hash_start_data_end(int fd, const char *input)
     return 0;
 }
 
-static uint8_t get_blobtype(const char *blobname)
+static uint32_t get_blobtype(const char *blobname)
 {
     if (!strcmp(blobname, "permanent"))
         return PTM_BLOB_TYPE_PERMANENT;
@@ -184,7 +184,7 @@ static int do_save_state_blob(int fd, const char *blobtype,
     ssize_t numbytes;
     bool had_error;
     int n;
-    uint8_t bt;
+    uint32_t bt;
 
     bt = get_blobtype(blobtype);
     if (!bt) {
@@ -265,7 +265,7 @@ static int do_load_state_blob(int fd, const char *blobtype,
     ssize_t numbytes;
     bool had_error;
     int n;
-    uint8_t bt;
+    uint32_t bt;
 
     bt = get_blobtype(blobtype);
     if (!bt) {