diff --git a/CommonUtilitiesLib/OSFileSource.cpp b/CommonUtilitiesLib/OSFileSource.cpp
index b16d5ba..5111f3f 100644
--- a/CommonUtilitiesLib/OSFileSource.cpp
+++ b/CommonUtilitiesLib/OSFileSource.cpp
@@ -348,7 +348,7 @@ void OSFileSource::Set(const char *inPath)
     if (fFile != -1)
     {
         struct stat buf;
-		::memset(&buf,sizeof(buf),0);
+		::memset(&buf,0,sizeof(buf));
         if (::fstat(fFile, &buf) >= 0)
         {
             fLength = buf.st_size;
diff --git a/CommonUtilitiesLib/SDPUtils.cpp b/CommonUtilitiesLib/SDPUtils.cpp
index d03028d..1da9554 100644
--- a/CommonUtilitiesLib/SDPUtils.cpp
+++ b/CommonUtilitiesLib/SDPUtils.cpp
@@ -189,7 +189,7 @@ void SDPContainer::Initialize()
     fSDPLineArray = NEW SDPLine[fNumSDPLines]; 
     fValid = false;
     fReqLines = 0;
-    ::memset(fFieldStr, sizeof(fFieldStr), 0);
+    ::memset(fFieldStr, 0, sizeof(fFieldStr));
 }
 
 Bool16 SDPContainer::SetSDPBuffer(char *sdpBuffer)