diff --git a/configure.ac b/configure.ac
index 016c1963..351993b0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,7 +73,7 @@ if test "x$CXXLIB" == "x"; then
 if test "x$CXX" == "xifort"; then
    CXXLIB="-cxxlib"
 else
-if test "x$CXX" == "xclang"; then
+if test "x$CXX" == "xclang++"; then
    CXXLIB="-lc++"
 else
    CXXLIB="-lstdc++"