diff --git a/libAACdec/include/aacdecoder_lib.h b/libAACdec/include/aacdecoder_lib.h
index d7928c0..02596b2 100644
--- a/libAACdec/include/aacdecoder_lib.h
+++ b/libAACdec/include/aacdecoder_lib.h
@@ -431,6 +431,10 @@ Where N equals to CStreamInfo::frameSize .
 #include "machine_type.h"
 #include "FDK_audio.h"
 
+#define AACDECODER_LIB_VL0 3
+#define AACDECODER_LIB_VL1 2
+#define AACDECODER_LIB_VL2 0
+
 #include "genericStds.h"
 /**
  * \brief  AAC decoder error codes.
diff --git a/libAACenc/include/aacenc_lib.h b/libAACenc/include/aacenc_lib.h
index 22c07c0..faf9bb1 100644
--- a/libAACenc/include/aacenc_lib.h
+++ b/libAACenc/include/aacenc_lib.h
@@ -1005,9 +1005,9 @@ internally.
 #include "machine_type.h"
 #include "FDK_audio.h"
 
-#define AACENCODER_LIB_VL0 3
-#define AACENCODER_LIB_VL1 4
-#define AACENCODER_LIB_VL2 12
+#define AACENCODER_LIB_VL0 4
+#define AACENCODER_LIB_VL1 0
+#define AACENCODER_LIB_VL2 1
 
 /**
  *  AAC encoder error codes.