diff --git a/ksw.c b/ksw.c
index 1e584e9..d433432 100644
--- a/ksw.c
+++ b/ksw.c
@@ -30,6 +30,8 @@
 #include <emmintrin.h>
 #elif defined __ARM_NEON
 #include "neon_sse.h"
+#elif defined USE_SIMDE
+#include <simde/x86/sse2.h>
 #else
 #include "scalar_sse.h"
 #endif
-- 
2.43.0