diff --git a/debug.h b/debug.h
index 8659b5c..403449b 100644
--- a/debug.h
+++ b/debug.h
@@ -66,7 +66,9 @@ extern int debug_trace;
 
 /* To debug with GDB it is easier to run with no forking of child processes.
    You will need to pass "-F" as well. */
-/* #define DEBUG_NOFORK */
+#ifndef DEBUG_NOFORK
+#define DEBUG_NOFORK 0
+#endif
 
 
 /* For testing as non-root on shadowed systems, include the crypt of a password
diff --git a/svr-main.c b/svr-main.c
index 0a39b70..00f854f 100644
--- a/svr-main.c
+++ b/svr-main.c
@@ -273,7 +273,7 @@ static void main_noinetd() {
 				goto out;
 			}
 
-#ifdef DEBUG_NOFORK
+#if DEBUG_NOFORK
 			fork_ret = 0;
 #else
 			fork_ret = fork();