1 files changed, 2 insertions, 2 deletions
diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h
index c9a1b25..9ad33b2 100644
--- a/src/H5Fprivate.h
+++ b/src/H5Fprivate.h
@@ -93,7 +93,7 @@ typedef struct H5F_t H5F_t;
    for (_i = 0; _i < sizeof(int64_t); _i++, _n >>= 8)                  \
       *_p++ = (uint8_t)(_n & 0xff);                          \
    for (/*void*/; _i < 8; _i++)                              \
-      *_p++ = (n) < 0 ? 0xff : 0;                          \
+      *_p++ = (uint8_t)((n) < 0 ? 0xff : 0);                          \
    (p) = (uint8_t*)(p)+8;                              \
 }
 
@@ -184,7 +184,7 @@ typedef struct H5F_t H5F_t;
    n = 0;                                      \
    (p) += l;                                      \
    for (_i = 0; _i < l; _i++)                              \
-      n = (n << 8) | *(--p);                              \
+      n = (uint16_t)((n << 8) | *(--p));                              \
    (p) += l;                                      \
 }