--- gnome-maps-3.18.0/configure.ac.orig	2015-09-24 18:38:31.912498368 +0200
+++ gnome-maps-3.18.0/configure.ac	2015-09-24 18:38:40.783320413 +0200
@@ -50,6 +50,7 @@
     folks                        >= $FOLKS_MIN_VERSION
     geocode-glib-1.0             >= $GEOCODE_MIN_VERSION
     champlain-0.12               >= $CHAMPLAIN_MIN_VERSION
+    libsoup-2.4
 ])
 AC_SUBST(GNOME_MAPS_LIB_CFLAGS)
 AC_SUBST(GNOME_MAPS_LIB_LIBS)