diff --git a/aegisub/configure.in b/aegisub/configure.in
index 0874a6aa8..e4a83ef08 100644
--- a/aegisub/configure.in
+++ b/aegisub/configure.in
@@ -224,7 +224,7 @@ elif test -f "$srcdir/svn_revision"; then
   AC_MSG_RESULT([$SVN_REVISION from "$srcdir/svn_revision"])
 else
   AC_MSG_RESULT([not found])
-  AC_MSG_FAILURE([unable to get SVN Revision from $srcdir/svn_reversion or 'svnversion $srcdir'])
+  AC_MSG_FAILURE([unable to get SVN Revision from $srcdir/svn_revision or 'svnversion $srcdir'])
 fi
 
 # This is required in order for the config file to work correctly.