diff --git a/examples/HtmlParser.h b/examples/HtmlParser.h
index eeb1a07..1366d89 100644
--- a/examples/HtmlParser.h
+++ b/examples/HtmlParser.h
@@ -25,7 +25,9 @@
 #ifndef HTML_PARSER_H
 #define HTML_PARSER_H
 
-#include <config.h>
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif // HAVE_CONFIG_H
 
 #include <vector>
 #include <string>
diff --git a/examples/spdycat.cc b/examples/spdycat.cc
index f54be6d..7a21ac9 100644
--- a/examples/spdycat.cc
+++ b/examples/spdycat.cc
@@ -22,7 +22,9 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-#include <config.h>
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif // HAVE_CONFIG_H
 
 #include <sys/types.h>
 #include <sys/socket.h>