diff --git a/lofar_config.h.cmake b/lofar_config.h.cmake
index 1428222eec7babeb1a17632a08df6eab3e49823e..0f4a55aadced24e354157ae8c28c69762d616feb 100644
--- a/lofar_config.h.cmake
+++ b/lofar_config.h.cmake
@@ -117,6 +117,9 @@
 /* Define if FFTW3 is installed */
 #cmakedefine HAVE_FFTW3
 
+/* Define if libgcrypt is installed */
+#cmakedefine HAVE_GCRYPT 1
+
 /* Define if HDF5 is installed */
 #cmakedefine HAVE_HDF5
 
@@ -141,6 +144,9 @@
 /* Define if MPICH is installed */
 #cmakedefine HAVE_MPICH 1
 
+/* Define if libopenssl + libcrypto is installed */
+#cmakedefine HAVE_OPENSSL 1
+
 /* Define if libpqxx is installed */
 #cmakedefine HAVE_PQXX