diff --git a/configure b/configure
index a759bd2..ffb3bca 100755
--- a/configure
+++ b/configure
@@ -21214,7 +21214,7 @@ fi
 
 if test "x${enable_libunwind_is}" = "xyes"
 then
-	if test "x${ac_cv_header_unwind_h}" = "xyes"  -a "${UNWIND_LIBS}" != ""
+	if test "x${ac_cv_header_libunwind_h}" = "xyes"  -a "${UNWIND_LIBS}" != ""
 	then
 
 $as_echo "#define HCL_ENABLE_LIBUNWIND /**/" >>confdefs.h
diff --git a/configure.ac b/configure.ac
index 22f89f8..a1a38d6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -663,7 +663,7 @@ AC_ARG_ENABLE([libunwind],
 )
 if test "x${enable_libunwind_is}" = "xyes"
 then
-	if test "x${ac_cv_header_unwind_h}" = "xyes"  -a "${UNWIND_LIBS}" != ""
+	if test "x${ac_cv_header_libunwind_h}" = "xyes"  -a "${UNWIND_LIBS}" != ""
 	then
 		AC_DEFINE([HCL_ENABLE_LIBUNWIND],[],[use libunwind for backtracing stack frames])
 	else