diff --git a/aegisub/configure.in b/aegisub/configure.in
index 4aa9f3d4a..1f6096678 100644
--- a/aegisub/configure.in
+++ b/aegisub/configure.in
@@ -194,6 +194,7 @@ AM_PROG_CC_C_O
 define([AC_LIBTOOL_LANG_F77_CONFIG], [:])
 AC_PROG_LIBTOOL
 AC_PROG_INSTALL
+AC_PROG_RANLIB
 PKG_PROG_PKG_CONFIG([pkgconfig_required_version])