diff --git a/scripts/build/debug/300-gdb.sh b/scripts/build/debug/300-gdb.sh
index ebe0965e..7d0f4d06 100644
--- a/scripts/build/debug/300-gdb.sh
+++ b/scripts/build/debug/300-gdb.sh
@@ -161,7 +161,7 @@ do_debug_gdb_build() {
         # tools instead of searching for the native ones...
         CT_DoExecLog ALL                                                    \
         "${CT_SRC_DIR}/ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}/configure"   \
-            --build=${CT_REAL_BUILD}                                        \
+            --build=${CT_BUILD}                                             \
             --host=${CT_BUILD}                                              \
             --prefix=/usr                                                   \
             --without-shared                                                \