diff --git a/src/opus.c b/src/opus.c
index 432e6509bb530a539310f9fc2508e3fb3de2bfe9..791ec09f26fa0bc1c904f7d2c91c1a2ad0ac0201 100644
--- a/src/opus.c
+++ b/src/opus.c
@@ -32,7 +32,7 @@
 #include "opus.h"
 
 #ifndef OPUS_VERSION
-#define OPUS_VERSION "libopus version unknown"
+#define OPUS_VERSION "unknown"
 #endif
 
 const char *opus_strerror(int error)