diff --git a/configure.in b/configure.in
index 389e4985b6..c396ffa3d6 100644
--- a/configure.in
+++ b/configure.in
@@ -808,6 +808,7 @@ SAC_OPENSSL
 
 if test x$HAVE_OPENSSL = x1; then
 	openssl_CFLAGS="$openssl_CFLAGS -DHAVE_OPENSSL";
+	APR_ADDTO(SWITCH_AM_CFLAGS, -DHAVE_OPENSSL)
 fi
 
 AX_CHECK_JAVA