diff --git a/aegisub/configure.in b/aegisub/configure.in
index dd5d3f338..3aebc3235 100644
--- a/aegisub/configure.in
+++ b/aegisub/configure.in
@@ -823,8 +823,9 @@ fi
 ############################
 
 AC_MSG_CHECKING([whether to use precompiled headers])
-AC_ARG_ENABLE(gcc-prec, [  --enable-gcc-prec       enable GCC precompiled headers (default=no)])
-if test "$enable_gcc_prec" = "yes"; then
+AC_ARG_ENABLE(gcc-prec, [  --disable-gcc-prec       disable GCC precompiled headers])
+if test "$enable_gcc_prec" != "no"; then
+  enable_gcc_prec="yes"
   AC_MSG_RESULT([yes])
 else
   AC_MSG_RESULT([no])