diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index cd458a49696d..e699ee631e56 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1535,11 +1535,11 @@ AC_ARG_WITH(oprofile,
             AC_SEARCH_LIBS(bfd_init, bfd, [], [])
             AC_SEARCH_LIBS(op_open_agent, opagent, [], [
               echo "Error! You need to have libopagent around."
-              exit -1
+              exit 1
             ])
             AC_CHECK_HEADER([opagent.h], [], [
               echo "Error! You need to have opagent.h around."
-              exit -1
+              exit 1
               ])
           fi ;;
         *)
diff --git a/configure b/configure
index e22c21e302f7..2eed67ef67c4 100755
--- a/configure
+++ b/configure
@@ -9910,7 +9910,7 @@ if test "$ac_res" != no; then
 else
 
               echo "Error! You need to have libopagent around."
-              exit -1
+              exit 1
 
 fi
 
@@ -10073,7 +10073,7 @@ if test $ac_cv_header_opagent_h = yes; then
 else
 
               echo "Error! You need to have opagent.h around."
-              exit -1
+              exit 1
 
 fi
 
diff --git a/utils/lit/utils/check-coverage b/utils/lit/utils/check-coverage
index 128e827f22dc..cded7a2921c5 100755
--- a/utils/lit/utils/check-coverage
+++ b/utils/lit/utils/check-coverage
@@ -23,7 +23,7 @@ fi
 # sitecustomize.
 if ! python -c \
       'import sitecustomize, sys; sys.exit("coverage" not in dir(sitecustomize))' \
-      &> /dev/null; then
+      >/dev/null 2>&1; then
     printf 1>&2 "error: active python does not appear to enable coverage in its 'sitecustomize.py'\n"
     exit 1
 fi