diff --git a/library/Makefile b/library/Makefile
index 5c4471e..51e7a15 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -134,7 +134,7 @@
 	     psa_crypto_client.o \
 	     psa_crypto_driver_wrappers.o \
 	     psa_crypto_ecp.o \
-		 psa_crypto_ffdh.o \
+	     psa_crypto_ffdh.o \
 	     psa_crypto_hash.o \
 	     psa_crypto_mac.o \
 	     psa_crypto_pake.o \