diff --git a/examples/example.S b/examples/example.S
index eadb310..1019f01 100644
--- a/examples/example.S
+++ b/examples/example.S
@@ -14,7 +14,7 @@ start:
 end:
     tx
 hello_string:
-    .db "Hello,\x20world\n", 0
+    .db "Hello, w\x6frld\n", 0
 hello_string_end:
     .db 42, "hi", 43
     ; TODO .db 'H', 'e', 'l', 'l', 'o', '\0'
diff --git a/src/directive.c b/src/directive.c
index 0804981..4cb2c0f 100644
--- a/src/directive.c
+++ b/src/directive.c
@@ -91,7 +91,7 @@ AsmError assemble_directive(char *input, size_t len, ByteVec *out, Token *tok) {
     size_t pos = tok->start;
     char byte0 = input[pos];
     char byte1 = input[pos + 1];
-    if (byte0 == 'd') {
+    if (tok->len == 0 && byte0 == 'd') {
         size_t word_size;
         switch (byte1) {
             case 'b':