diff --git a/src/crypto_kem/kyber/kyber512/amd64/avx2/Makefile b/src/crypto_kem/kyber/kyber512/amd64/avx2/Makefile
index eec5ee0e..ab0ada86 100644
--- a/src/crypto_kem/kyber/kyber512/amd64/avx2/Makefile
+++ b/src/crypto_kem/kyber/kyber512/amd64/avx2/Makefile
@@ -1,3 +1,4 @@
 SRCS := kem.jazz
+SCT_FLAGS := -checkSCTafter unroll
 include ../../../../../Makefile.common
 
diff --git a/src/crypto_kem/kyber/kyber512/amd64/ref/Makefile b/src/crypto_kem/kyber/kyber512/amd64/ref/Makefile
index 29a80faa..e7532eaf 100644
--- a/src/crypto_kem/kyber/kyber512/amd64/ref/Makefile
+++ b/src/crypto_kem/kyber/kyber512/amd64/ref/Makefile
@@ -1,2 +1,3 @@
 SRCS := kem.jazz
+SCT_FLAGS := -checkSCTafter unroll
 include ../../../../../Makefile.common
diff --git a/src/crypto_kem/kyber/kyber768/amd64/avx2/Makefile b/src/crypto_kem/kyber/kyber768/amd64/avx2/Makefile
index eec5ee0e..ab0ada86 100644
--- a/src/crypto_kem/kyber/kyber768/amd64/avx2/Makefile
+++ b/src/crypto_kem/kyber/kyber768/amd64/avx2/Makefile
@@ -1,3 +1,4 @@
 SRCS := kem.jazz
+SCT_FLAGS := -checkSCTafter unroll
 include ../../../../../Makefile.common
 
diff --git a/src/crypto_kem/kyber/kyber768/amd64/ref/Makefile b/src/crypto_kem/kyber/kyber768/amd64/ref/Makefile
index 42a9eef0..e756c1e3 100644
--- a/src/crypto_kem/kyber/kyber768/amd64/ref/Makefile
+++ b/src/crypto_kem/kyber/kyber768/amd64/ref/Makefile
@@ -1,4 +1,5 @@
 SAFETY_FLAGS := -nocheckalignment
 SRCS := kem.jazz
+SCT_FLAGS := -checkSCTafter unroll
 include ../../../../../Makefile.common