diff --git a/libisoburn/isoburn.c b/libisoburn/isoburn.c
index edafb1dc..d532ff11 100644
--- a/libisoburn/isoburn.c
+++ b/libisoburn/isoburn.c
@@ -365,7 +365,8 @@ int isoburn_adjust_target_iso_head(struct isoburn *o,
  uint8_t *new_buf;
  uint32_t new_size;
 
- if(o->target_iso_head_size == Libisoburn_target_head_sizE + 2048 * offst)
+ if((uint32_t) o->target_iso_head_size ==
+    Libisoburn_target_head_sizE + 2048 * offst)
    return(1);
  new_size= Libisoburn_target_head_sizE + 2048 * offst;
  new_buf= calloc(1, new_size);
@@ -375,7 +376,8 @@ int isoburn_adjust_target_iso_head(struct isoburn *o,
    return(-1);
  }
  memcpy(new_buf, o->target_iso_head,
-      o->target_iso_head_size < new_size ? o->target_iso_head_size : new_size);
+        (uint32_t) o->target_iso_head_size < new_size ?
+        (uint32_t) o->target_iso_head_size : new_size);
  free(o->target_iso_head);
  o->target_iso_head= new_buf;
  o->target_iso_head_size= new_size;
diff --git a/libisoburn/isofs_wrap.c b/libisoburn/isofs_wrap.c
index d19da786..cb8c319c 100644
--- a/libisoburn/isofs_wrap.c
+++ b/libisoburn/isofs_wrap.c
@@ -429,7 +429,7 @@ static int isoburn_inspect_partition(struct isoburn *o, uint32_t img_size,
  o->loaded_partition_offset= offst;
 
  /* If the partition start is too large: Report but do not accept. */
- if(offst > max_offst) { /* Not more than 1 MB of .target_iso_head */
+ if(offst > (uint32_t) max_offst) {/* Not more than 1 MB of .target_iso_head */
    sprintf(msg,
       "Detected partition offset of %.f blocks. Maximum for load buffer is %d",
       (double) offst, max_offst);
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 221060f5..74a5962a 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2011.05.09.181239"
+#define Xorriso_timestamP "2011.05.09.181449"