1 files changed, 1 insertions, 1 deletions
diff --git a/assemble.c b/assemble.c
index 4d84cc0..d0c44cd 100644
--- a/assemble.c
+++ b/assemble.c
@@ -667,7 +667,7 @@ int64_t insn_size(int32_t segment, int64_t offset, int bits, uint32_t cp,
     errfunc = error;            /* to pass to other functions */
     cpu = cp;
 
-    if (instruction->opcode == -1)
+    if (instruction->opcode == I_none)
         return 0;
 
     if (instruction->opcode == I_DB || instruction->opcode == I_DW ||