diff --git a/warc-dump-responses.c b/warc-dump-responses.c
index 5ec9b5e..66e6af6 100644
--- a/warc-dump-responses.c
+++ b/warc-dump-responses.c
@@ -1,4 +1,5 @@
 #define _GNU_SOURCE
+#include <ctype.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -38,6 +39,9 @@ int main(int argc, char* argv[]) {
 		bufp = buf;
 checkstate:
 		DEBUG_PRINTF("Have %zu bytes of buffer (at %p)\n", n, (void*)bufp);
+		DEBUG_PRINTF("Beginning of buffer: ");
+		for (int i = 0; i < 64; ++i) DEBUG_PRINTF(isprint(*(bufp + i)) ? "%c" : "\\x%02x", *(bufp + i) & 0xFF);
+		DEBUG_PRINTF("\n");
 		if (n == 0) {
 			break;
 		}