--- a/src/libphobos/configure.ac
+++ b/src/libphobos/configure.ac
@@ -239,7 +239,7 @@
 fi
 
 if test "${gdc_host}" != "${gdc_target}"; then
-    gdc_include_dir='${libdir}/gcc/${host_alias}'/${d_gcc_ver}/include/d
+    gdc_include_dir='${libdir}/gcc-cross/${host_alias}'/${d_gcc_ver}/include/d
 else
     gdc_include_dir='${prefix}'/include/d/${d_gcc_ver}
 fi