diff --git a/include/humanize_number.h b/include/humanize_number.h
index b784da1ad31..8a744785f5c 100644
--- a/include/humanize_number.h
+++ b/include/humanize_number.h
@@ -38,6 +38,6 @@
 #define HN_GETSCALE		0x10
 #define HN_AUTOSCALE		0x20
 
-int humanize_number(char *, size_t, int64_t, const char *, int, int);
+int xbps_humanize_number(char *, size_t, int64_t, const char *, int, int);
 
 #endif
diff --git a/lib/humanize_number.c b/lib/humanize_number.c
index 5068cc7a687..676689d28be 100644
--- a/lib/humanize_number.c
+++ b/lib/humanize_number.c
@@ -40,7 +40,7 @@
 #include <xbps_api.h>
 
 int
-humanize_number(char *buf, size_t len, int64_t bytes,
+xbps_humanize_number(char *buf, size_t len, int64_t bytes,
     const char *suffix, int scale, int flags)
 {
 	const char *prefixes, *sep;
diff --git a/lib/plist.c b/lib/plist.c
index a568e0c851c..aa11fbb4068 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -387,7 +387,7 @@ xbps_show_pkg_info(prop_dictionary_t dict)
 	obj = prop_dictionary_get(dict, "installed_size");
 	if (obj && prop_object_type(obj) == PROP_TYPE_NUMBER) {
 		printf("Installed size: ");
-		rv = humanize_number(size, 5,
+		rv = xbps_humanize_number(size, 5,
 		    (int64_t)prop_number_unsigned_integer_value(obj),
 		    "", HN_AUTOSCALE, HN_NOSPACE);
 		if (rv == -1)