diff --git a/silk/fixed/warped_autocorrelation_FIX.c b/silk/fixed/warped_autocorrelation_FIX.c
index 6ca6c1184d865f7fbbc15bcc6cbb329b26b86a02..af1640297563951e016cad3eff33ce7cae42a017 100644
--- a/silk/fixed/warped_autocorrelation_FIX.c
+++ b/silk/fixed/warped_autocorrelation_FIX.c
@@ -32,7 +32,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "main_FIX.h"
 
 #define QC  10
-#define QS  14
+#define QS  13
 
 #if defined(MIPSr1_ASM)
 #include "mips/warped_autocorrelation_FIX_mipsr1.h"