diff --git a/include/fdtdec.h b/include/fdtdec.h
index 967fa88..c39ad90 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -327,7 +327,9 @@ fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
  * @param type		pci address type (FDT_PCI_SPACE_xxx)
  * @param prop_name	name of property to find
  * @param addr		returns pci address in the form of fdt_pci_addr
- * @return 0 if ok, negative on error
+ * @return 0 if ok, -ENOENT if the property did not exist, -EINVAL if the
+ *		format of the property was invalid, -ENXIO if the requested
+ *		address type was not found
  */
 int fdtdec_get_pci_addr(const void *blob, int node, enum fdt_pci_space type,
 		const char *prop_name, struct fdt_pci_addr *addr);
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 915fe24..fa7da89 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -160,8 +160,10 @@ int fdtdec_get_pci_addr(const void *blob, int node, enum fdt_pci_space type,
 			}
 		}
 
-		if (i == num)
+		if (i == num) {
+			ret = -ENXIO;
 			goto fail;
+		}
 
 		return 0;
 	} else {