diff --git a/libfreerdp/core/channels.c b/libfreerdp/core/channels.c
index 647bc8186..268c55749 100644
--- a/libfreerdp/core/channels.c
+++ b/libfreerdp/core/channels.c
@@ -267,5 +267,5 @@ static const WtsApiFunctionTable FreeRDP_WtsApiFunctionTable =
 
 PWtsApiFunctionTable FreeRDP_InitWtsApi(void)
 {
-	return &FreeRDP_WtsApiFunctionTable;
+	return (PWtsApiFunctionTable)&FreeRDP_WtsApiFunctionTable;
 }
diff --git a/uwac/libuwac/uwac-display.c b/uwac/libuwac/uwac-display.c
index 2fa20b490..b44172ac1 100644
--- a/uwac/libuwac/uwac-display.c
+++ b/uwac/libuwac/uwac-display.c
@@ -499,7 +499,7 @@ static const char *errorStrings[] = {
 };
 
 const char *UwacErrorString(UwacReturnCode error) {
-	if (error < 0 || error >= UWAC_ERROR_LAST)
+	if (error < UWAC_SUCCESS || error >= UWAC_ERROR_LAST)
 		return "invalid error code";
 
 	return errorStrings[error];