2 files changed, 2 insertions, 2 deletions
diff --git a/src/common/mac/file_id.cc b/src/common/mac/file_id.cc
index a2ee320b..c5d7ed56 100644
--- a/src/common/mac/file_id.cc
+++ b/src/common/mac/file_id.cc
@@ -61,7 +61,7 @@ bool FileID::FileIdentifier(unsigned char identifier[16]) {
   unsigned char buffer[4096 * 2];
   size_t buffer_size = sizeof(buffer);
   while ((buffer_size = read(fd, buffer, buffer_size) > 0)) {
-    MD5Update(&md5, buffer, buffer_size);
+    MD5Update(&md5, buffer, static_cast<unsigned>(buffer_size));
   }
 
   close(fd);
diff --git a/src/common/mac/macho_id.cc b/src/common/mac/macho_id.cc
index aa2cfc83..09a2a82e 100644
--- a/src/common/mac/macho_id.cc
+++ b/src/common/mac/macho_id.cc
@@ -125,7 +125,7 @@ void MachoID::UpdateCRC(unsigned char *bytes, size_t size) {
 }
 
 void MachoID::UpdateMD5(unsigned char *bytes, size_t size) {
-  MD5Update(&md5_context_, bytes, size);
+  MD5Update(&md5_context_, bytes, static_cast<unsigned>(size));
 }
 
 void MachoID::Update(MachoWalker *walker, off_t offset, size_t size) {