diff --git a/cs.c b/cs.c
index eefba1435..a70c9e8a5 100644
--- a/cs.c
+++ b/cs.c
@@ -1114,6 +1114,9 @@ CAPSTONE_EXPORT
 bool CAPSTONE_API cs_disasm_iter(csh ud, const uint8_t **code, size_t *size,
 		uint64_t *address, cs_insn *insn)
 {
+	if (*size == 0)
+		return false;
+
 	struct cs_struct *handle;
 	uint16_t insn_size;
 	MCInst mci;