diff --git a/libcoap-1.pc.in b/libcoap-1.pc.in
index 723e9a16..f1c1c339 100644
--- a/libcoap-1.pc.in
+++ b/libcoap-1.pc.in
@@ -7,5 +7,6 @@ Name: @PACKAGE_NAME@
 Description: C-Implementation of CoAP.
 Version: @PACKAGE_VERSION@
 URL: @PACKAGE_URL@
-Libs: -L${libdir} -lcoap-@LIBCOAP_API_VERSION@ @DTLS_LIBS@
-Cflags: -I${includedir} @DTLS_CFLAGS@
+Libs: -L${libdir} -lcoap-@LIBCOAP_API_VERSION@
+Libs.private: @DTLS_LIBS@
+Cflags: -I${includedir}