diff --git a/configure.in.in b/configure.in.in
index 1ec9408f5..ad053ceea 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -66,7 +66,7 @@ if test "$xpdfrc" != NO; then
 fi
 
 dnl #### Check for FSEEK variants
-AC_SYS_LARGEFILE
+KDE_CHECK_LARGEFILE
 AC_FUNC_FSEEKO
 AC_CHECK_FUNCS(fseek64, xpdf_cv_func_fseek64=yes, xpdf_cv_func_fseek64=no)
 AC_CHECK_FUNCS(ftell64, xpdf_cv_func_ftell64=yes, xpdf_cv_func_ftell64=no)