diff --git a/param.h b/param.h
index 0bc789b57..388ff2d3a 100644
--- a/param.h
+++ b/param.h
@@ -2239,7 +2239,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define CGEMM_DEFAULT_Q  640UL
 #define ZGEMM_DEFAULT_Q  640UL
 
-äif 0
+#if 0
 #define SGEMM_DEFAULT_R SGEMM_DEFAULT_P
 #define DGEMM_DEFAULT_R DGEMM_DEFAULT_P
 #define CGEMM_DEFAULT_R CGEMM_DEFAULT_P