diff --git a/lapack-netlib/LAPACKE/src/lapacke_nancheck.c b/lapack-netlib/LAPACKE/src/lapacke_nancheck.c
index c7d5c33f1..bb894f351 100644
--- a/lapack-netlib/LAPACKE/src/lapacke_nancheck.c
+++ b/lapack-netlib/LAPACKE/src/lapacke_nancheck.c
@@ -39,7 +39,7 @@ void LAPACKE_set_nancheck( int flag )
     nancheck_flag = ( flag ) ? 1 : 0;
 }
 
-int LAPACKE_get_nancheck( )
+int LAPACKE_get_nancheck( void )
 {
     char* env;
     if ( nancheck_flag != -1 ) {