diff --git a/srcpkgs/linux4.20/files/arm64-dotconfig b/srcpkgs/linux4.20/files/arm64-dotconfig
index e920f3bf86..ddbc4d8ef2 100644
--- a/srcpkgs/linux4.20/files/arm64-dotconfig
+++ b/srcpkgs/linux4.20/files/arm64-dotconfig
@@ -8238,7 +8238,7 @@ CONFIG_PERSISTENT_KEYRINGS=y
 CONFIG_BIG_KEYS=y
 CONFIG_TRUSTED_KEYS=m
 CONFIG_ENCRYPTED_KEYS=y
-# CONFIG_KEY_DH_OPERATIONS is not set
+CONFIG_KEY_DH_OPERATIONS=y
 CONFIG_SECURITY_DMESG_RESTRICT=y
 CONFIG_SECURITY=y
 CONFIG_SECURITYFS=y
diff --git a/srcpkgs/linux4.20/files/i386-dotconfig b/srcpkgs/linux4.20/files/i386-dotconfig
index 83c84a78f0..047183a365 100644
--- a/srcpkgs/linux4.20/files/i386-dotconfig
+++ b/srcpkgs/linux4.20/files/i386-dotconfig
@@ -8158,7 +8158,7 @@ CONFIG_KEYS=y
 # CONFIG_BIG_KEYS is not set
 CONFIG_TRUSTED_KEYS=m
 CONFIG_ENCRYPTED_KEYS=m
-# CONFIG_KEY_DH_OPERATIONS is not set
+CONFIG_KEY_DH_OPERATIONS=y
 CONFIG_SECURITY_DMESG_RESTRICT=y
 CONFIG_SECURITY=y
 CONFIG_SECURITYFS=y
diff --git a/srcpkgs/linux4.20/files/x86_64-dotconfig b/srcpkgs/linux4.20/files/x86_64-dotconfig
index 8939d26572..9be2cb2086 100644
--- a/srcpkgs/linux4.20/files/x86_64-dotconfig
+++ b/srcpkgs/linux4.20/files/x86_64-dotconfig
@@ -8294,7 +8294,7 @@ CONFIG_KEYS_COMPAT=y
 # CONFIG_BIG_KEYS is not set
 CONFIG_TRUSTED_KEYS=m
 CONFIG_ENCRYPTED_KEYS=m
-# CONFIG_KEY_DH_OPERATIONS is not set
+CONFIG_KEY_DH_OPERATIONS=y
 CONFIG_SECURITY_DMESG_RESTRICT=y
 CONFIG_SECURITY=y
 CONFIG_SECURITYFS=y