1 files changed, 2 insertions, 2 deletions
diff --git a/lib/cmf.c b/lib/cmf.c
index 7ac0402..52fa7c6 100644
--- a/lib/cmf.c
+++ b/lib/cmf.c
@@ -20,7 +20,7 @@ ts_parameter_t const ts_cmf_p = { .n_inputs = 5, .n_outputs = 1, .n_constants =
 uint_t ts_cmf_offset( ts_constant_t const *c )
 {
 	( void )c;
-	return ( c ? ((ts_cmf_params_t *)c)->k - 1 : 0 );
+	return ( c ? ((ts_cmf_params_t const *)c)->k - 1 : 0 );
 }
 
 int ts_cmf(
@@ -31,7 +31,7 @@ int ts_cmf(
 {
 	TS_PROLOGUE( ts_cmf_p );
 	if ( !c ) return -1;
-    uint_t k = ((ts_cmf_params_t *)c)->k;
+    uint_t k = ((ts_cmf_params_t const *)c)->k;
     if (k == 0 || n < k) return -1;
 
     fp_t sum_mf = 0;