diff --git a/configure b/configure
index 3b850be3c4..6387226050 100755
--- a/configure
+++ b/configure
@@ -2086,7 +2086,7 @@ TLS_LIBS=
 
 ol_aix_threads=no
 case "$target" in
-*-*-aix*) 	if test -z "CC" ; then
+*-*-aix*) 	if test -z "$CC" ; then
 		case "$ol_with_threads" in
 		auto | yes |  posix) ol_aix_threads=yes ;;
 		esac
diff --git a/configure.in b/configure.in
index 9fc490fe79..1fbf0b2edf 100644
--- a/configure.in
+++ b/configure.in
@@ -377,7 +377,7 @@ dnl If we do not find cc_r|xlc_r, disable threads
 ol_aix_threads=no
 case "$target" in
 *-*-aix*) dnl all AIX is not a good idea.
-	if test -z "CC" ; then
+	if test -z "$CC" ; then
 		case "$ol_with_threads" in
 		auto | yes |  posix) ol_aix_threads=yes ;;
 		esac