diff --git a/src/admutils.c b/src/admutils.c
index dae3657..35a4427 100644
--- a/src/admutils.c
+++ b/src/admutils.c
@@ -537,7 +537,7 @@ testnan (double *a, int n)
   int i;
 
   for (i = 0; i < n; i++) {
-    if (!finite (a[i]))
+    if (!isfinite (a[i]))
       fatalx ("(testnan) fails:  index %d\n", i);
   }
 }
diff --git a/src/nicksrc/Makefile b/src/nicksrc/Makefile
index 55d7733..2d1742d 100644
--- a/src/nicksrc/Makefile
+++ b/src/nicksrc/Makefile
@@ -1,4 +1,4 @@
-override CFLAGS += -c -O3   -g -p -Wimplicit -I../../include
+override CFLAGS += -c -O3  -g -Wimplicit -I../../include
 
 all: libnick.a