diff --git a/configure.ac b/configure.ac
index a8c1d2e..f7acf05 100644
--- a/configure.ac
+++ b/configure.ac
@@ -281,7 +281,7 @@
 	AX_CHECK_SIMD
 else
 	AM_CONDITIONAL(HAVE_AVX2, false)
-	AM_CONDITIONAL(HAVE_SSE3, false)
+	AM_CONDITIONAL(HAVE_SSSE3, false)
 	AM_CONDITIONAL(HAVE_SSE4_1, false)
 fi