diff --git a/xmpsdk/src/XMPMeta.cpp b/xmpsdk/src/XMPMeta.cpp
index 30ff4a5a75..65b0f084f7 100644
--- a/xmpsdk/src/XMPMeta.cpp
+++ b/xmpsdk/src/XMPMeta.cpp
@@ -87,7 +87,7 @@ static const char * kTenSpaces = "          ";
 #define OutProcHexInt(num)	{ snprintf ( buffer, sizeof(buffer), "%X", (num) ); /* AUDIT: Using sizeof for snprintf length is safe */	\
 							  status = (*outProc) ( refCon, buffer, strlen(buffer) );  if ( status != 0 ) goto EXIT; }
 #else
-#define OutProcHexInt(num)	{ snprintf ( buffer, sizeof(buffer), "%lX", (num) ); /* AUDIT: Using sizeof for snprintf length is safe */	\
+#define OutProcHexInt(num)	{ snprintf ( buffer, sizeof(buffer), "%X", (num) ); /* AUDIT: Using sizeof for snprintf length is safe */	\
 							  status = (*outProc) ( refCon, buffer, strlen(buffer) );  if ( status != 0 ) goto EXIT; }
 #endif
 
diff --git a/xmpsdk/src/XMPUtils.cpp b/xmpsdk/src/XMPUtils.cpp
index 89afd3d62d..9dfd31885d 100644
--- a/xmpsdk/src/XMPUtils.cpp
+++ b/xmpsdk/src/XMPUtils.cpp
@@ -1218,9 +1218,9 @@ XMPUtils::ConvertToInt64 ( XMP_StringPtr strValue )
 	XMP_Int64 result;
 
 	if ( ! XMP_LitNMatch ( strValue, "0x", 2 ) ) {
-		count = sscanf ( strValue, "%lld%c", &result, &nextCh );
+		count = sscanf ( strValue, "%ld%c", &result, &nextCh );
 	} else {
-		count = sscanf ( strValue, "%llx%c", &result, &nextCh );
+		count = sscanf ( strValue, "%lx%c", &result, &nextCh );
 	}
 
 	if ( count != 1 ) XMP_Throw ( "Invalid integer string", kXMPErr_BadParam );