diff --git a/src/printer_tree.c b/src/printer_tree.c
index 0eff496..a49b84c 100644
--- a/src/printer_tree.c
+++ b/src/printer_tree.c
@@ -357,7 +357,8 @@
  */
 struct trt_node_name {
     trt_node_type type;         /**< Type of the node relevant for printing. */
-    const char *module_prefix;  /**< Prefix defined in the module where the node is defined. */
+    const char *module_prefix;  /**< If the node is augmented into the tree from another module,
+                                     so this is the prefix of that module. */
     const char *str;            /**< Name of the node. */
 };
 
@@ -2812,7 +2813,10 @@
     /* set type of the node */
     ret.name.type = trop_resolve_node_type(pn, ca.last_list);
 
-    /* TODO: ret.name.module_prefix is not supported right now. */
+    /* The parsed tree is not compiled, so no node can be augmented
+     * from another module. This means that nodes from the parsed tree
+     * will never have the prefix.
+     */
     ret.name.module_prefix = NULL;
 
     /* set node's name */
@@ -3144,6 +3148,29 @@
 }
 
 /**
+ * @brief Resolve prefix (<prefix>:<name>) of node that has been
+ * placed from another module via an augment statement.
+ *
+ * @param[in] cn is current compiled node.
+ * @param[in] current_compiled_module is module whose nodes are
+ * currently being printed.
+ * @return Prefix of foreign module or NULL.
+ */
+static const char *
+troc_resolve_node_prefix(const struct lysc_node *cn, const struct lysc_module *current_compiled_module)
+{
+    const struct lys_module *node_module;
+    const char *ret = NULL;
+
+    node_module = cn->module;
+    if (node_module->compiled != current_compiled_module) {
+        ret = node_module->prefix;
+    }
+
+    return ret;
+}
+
+/**
  * @brief Transformation of current lysc_node to struct trt_node.
  * @param[in] ca is not used.
  * @param[in] tc is context of the tree.
@@ -3172,8 +3199,8 @@
     /* set type of the node */
     ret.name.type = troc_resolve_node_type(cn->nodetype, cn->flags);
 
-    /* TODO: ret.name.module_prefix is not supported right now. */
-    ret.name.module_prefix = NULL;
+    /* <prefix> */
+    ret.name.module_prefix = troc_resolve_node_prefix(cn, tc->cmod);
 
     /* set node's name */
     ret.name.str = cn->name;
diff --git a/tests/utests/schema/test_printer_tree.c b/tests/utests/schema/test_printer_tree.c
index e678cbf..bf141fe 100644
--- a/tests/utests/schema/test_printer_tree.c
+++ b/tests/utests/schema/test_printer_tree.c
@@ -37,6 +37,7 @@
 base_sections(void **state)
 {
     TEST_LOCAL_SETUP;
+    const struct lys_module *modxx;
 
     orig =
             "module a01xx {\n"
@@ -47,7 +48,7 @@
             "  container d;\n"
             "}\n";
 
-    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &modxx);
 
     /* module with import statement */
     orig =
@@ -128,6 +129,21 @@
     TEST_LOCAL_PRINT(mod, 72);
     assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
     assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+
+    /* from pyang */
+    expect =
+            "module: a01xx\n"
+            "  +--rw c\n"
+            "  |  +--rw x:e\n"
+            "  +--rw d\n"
+            "     +--rw x:f\n";
+
+    TEST_LOCAL_PRINT(modxx, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
     ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
 
     TEST_LOCAL_TEARDOWN;