diff --git a/pkg.c b/pkg.c
index 2b48f30..c03256e 100644
--- a/pkg.c
+++ b/pkg.c
@@ -610,6 +610,37 @@ pkg_walk_list(pkg_dependency_t *deplist,
 	return eflags;
 }
 
+static inline unsigned int
+pkg_walk_conflicts_list(pkg_t *root, pkg_dependency_t *deplist, unsigned int flags)
+{
+	unsigned int eflags;
+	pkg_dependency_t *node;
+
+	PKG_FOREACH_LIST_ENTRY(deplist, node)
+	{
+		pkg_t *pkgdep;
+
+		if (*node->package == '\0')
+			continue;
+
+		pkgdep = pkg_verify_dependency(node, flags, &eflags);
+		if (eflags == PKG_ERRF_OK)
+		{
+			fprintf(stderr, "Version '%s' of '%s' conflicts with '%s' due to satisfying conflict rule '%s %s%s%s'.\n",
+				pkgdep->version, pkgdep->realname, root->realname, node->package, pkg_get_comparator(node),
+				node->version != NULL ? " " : "", node->version != NULL ? node->version : "");
+			fprintf(stderr, "It may be possible to ignore this conflict and continue, try the\n");
+			fprintf(stderr, "PKG_CONFIG_IGNORE_CONFLICTS environment variable.\n");
+		}
+
+		pkg_free(pkgdep);
+
+		return PKG_ERRF_PACKAGE_CONFLICT;
+	}
+
+	return PKG_ERRF_OK;
+}
+
 /*
  * pkg_traverse(root, func, data, maxdepth, flags)
  *
@@ -628,6 +659,13 @@ pkg_traverse(pkg_t *root,
 	if (maxdepth == 0)
 		return eflags;
 
+	if (!(flags & PKGF_SKIP_CONFLICTS))
+	{
+		eflags = pkg_walk_conflicts_list(root, root->conflicts, rflags);
+		if (eflags != PKG_ERRF_OK)
+			return eflags;
+	}
+
 	eflags = pkg_walk_list(root->requires, func, data, maxdepth, rflags);
 	if (eflags != PKG_ERRF_OK)
 		return eflags;
diff --git a/pkg.h b/pkg.h
index cb9168f..ecea1d7 100644
--- a/pkg.h
+++ b/pkg.h
@@ -122,6 +122,7 @@ struct pkg_ {
 #define PKG_ERRF_OK			0x0
 #define PKG_ERRF_PACKAGE_NOT_FOUND	0x1
 #define PKG_ERRF_PACKAGE_VER_MISMATCH	0x2
+#define PKG_ERRF_PACKAGE_CONFLICT	0x4
 
 typedef void (*pkg_traverse_func_t)(pkg_t *pkg, void *data, unsigned int flags);