diff --git a/src/sig_stfl/lms/external/hash.c b/src/sig_stfl/lms/external/hash.c
index 7cf8b1bb6a..090dafd66c 100644
--- a/src/sig_stfl/lms/external/hash.c
+++ b/src/sig_stfl/lms/external/hash.c
@@ -33,8 +33,7 @@ void hss_hash_ctx(void *result, int hash_type, union hash_context *ctx,
           const void *message, size_t message_len) {
 #if ALLOW_VERBOSE
     if (hss_verbose) {
-        int i; for (i=0; i< message_len; i++) printf( " %02x%s", ((unsigned char*)message)[i], (i%16 == 15) ? "
-" : "" );
+        int i; for (i=0; i< message_len; i++) printf( " %02x%s", ((unsigned char*)message)[i], (i%16 == 15) ? "\n" : "" );
     }
 #endif
 
@@ -46,8 +45,7 @@ void hss_hash_ctx(void *result, int hash_type, union hash_context *ctx,
 #if ALLOW_VERBOSE
         if (hss_verbose) {
             printf( " ->" );
-            int i; for (i=0; i<32; i++) printf( " %02x", ((unsigned char *)result)[i] ); printf( "
-" );
+            int i; for (i=0; i<32; i++) printf( " %02x", ((unsigned char *)result)[i] ); printf( "\n" );
         }
 #endif
         break;
@@ -98,8 +96,7 @@ void hss_finalize_hash_context(int h, union hash_context *ctx, void *buffer) {
     if (hss_verbose) {
         printf( " -->" );
         int i; for (i=0; i<32; i++) printf( " %02x", ((unsigned char*)buffer)[i] );
-        printf( "
-" );
+        printf( "\n" );
     }
 #endif
         break;
diff --git a/src/sig_stfl/lms/external/hss_alloc.c b/src/sig_stfl/lms/external/hss_alloc.c
index 2a03cf4fe3..53eaa762e2 100644
--- a/src/sig_stfl/lms/external/hss_alloc.c
+++ b/src/sig_stfl/lms/external/hss_alloc.c
@@ -418,8 +418,7 @@ signed long initial_mem_target = mem_target; /* DEBUG HACK */
         return 0;
     }
 #if 0
-printf( "Allocation = %ld
-", initial_mem_target - mem_target + best_mem ); /* DEBUG HACK */
+printf( "Allocation = %ld\n", initial_mem_target - mem_target + best_mem ); /* DEBUG HACK */
 #endif
 
     subtree_size[i] = best_j;
diff --git a/src/sig_stfl/lms/external/hss_sign_inc.h b/src/sig_stfl/lms/external/hss_sign_inc.h
index 322a6624a0..ddca5ea63e 100644
--- a/src/sig_stfl/lms/external/hss_sign_inc.h
+++ b/src/sig_stfl/lms/external/hss_sign_inc.h
@@ -23,8 +23,7 @@
  *    hss_sign_update( &ctx, message_part_2, len_2 );
  *    hss_sign_update( &ctx, message_part_3, len_3 );
  *    success = hss_sign_finalize( &ctx, working_key, signature );
- *    if (success) printf( "We generated the signature
-" );
+ *    if (success) printf( "We generated the signature\n" );
  *
  * This is in its own include file because we need to import some
  * 'not-generally-for-general-consumption' include files to make
diff --git a/src/sig_stfl/lms/external/hss_verify_inc.h b/src/sig_stfl/lms/external/hss_verify_inc.h
index 967f63c54f..c09d006e4a 100644
--- a/src/sig_stfl/lms/external/hss_verify_inc.h
+++ b/src/sig_stfl/lms/external/hss_verify_inc.h
@@ -21,8 +21,7 @@
  *    hss_validate_update( &ctx, message_part_2, len_2 );
  *    hss_validate_update( &ctx, message_part_3, len_3 );
  *    success = hss_validate_finalize( &ctx, signature );
- *    if (success) printf( "The signature validated
-" );
+ *    if (success) printf( "The signature validated\n" );
  *
  * This is in its own include file because we need to import some
  * 'not-generally-for-general-consumption' include files to make