diff --git a/src/interfaces/ecpg/include/ecpg_config.h.in b/src/interfaces/ecpg/include/ecpg_config.h.in
new file mode 100644
index 0000000000..905007cd46
--- /dev/null
+++ b/src/interfaces/ecpg/include/ecpg_config.h.in
@@ -0,0 +1,4 @@
+/* Define to 1 if you want 64-bit integer timestamp and interval support.
+   (--enable-integer-datetimes) */
+#undef USE_INTEGER_DATETIMES
+