diff --git a/libfreerdp/codec/dsp.c b/libfreerdp/codec/dsp.c
index 37b19c31c..2640633b5 100644
--- a/libfreerdp/codec/dsp.c
+++ b/libfreerdp/codec/dsp.c
@@ -48,7 +48,7 @@
 #if defined(WITH_OPUS)
 #include <opus/opus.h>
 
-#define OPUS_MAX_FRAMES 5760
+#define OPUS_MAX_FRAMES 5760ull
 #endif
 
 #if defined(WITH_FAAD2)