diff --git a/coreapi/Makefile.am b/coreapi/Makefile.am
index 160d0a420..26fff6f6e 100644
--- a/coreapi/Makefile.am
+++ b/coreapi/Makefile.am
@@ -138,7 +138,9 @@ liblinphone_la_LIBADD= \
 		$(LIBSOUP_LIBS) \
 		$(SQLITE3_LIBS) \
 		$(LIBXML2_LIBS) \
-		$(LDAP_LIBS) $(SASL_LIBS)
+		$(LDAP_LIBS) \
+		$(SASL_LIBS) \
+		$(ZLIB_LIBS)
 
 
 if ENABLE_TESTS
@@ -175,7 +177,9 @@ COMMON_CFLAGS=\
 	$(TUNNEL_CFLAGS) \
 	$(SQLITE3_CFLAGS) \
 	$(LIBXML2_CFLAGS) \
-	$(LDAP_CFLAGS) $(SASL_CFLAGS)
+	$(LDAP_CFLAGS) \
+	$(SASL_CFLAGS) \
+	$(ZLIB_CFLAGS)
 
 if BUILD_WIZARD
 COMMON_CFLAGS+= -DBUILD_WIZARD