1 files changed, 2 insertions, 1 deletions

diff --git a/dynasm/dasm_x86.h b/dynasm/dasm_x86.h
index eb2bc768..c91bfdd5 100644
--- a/dynasm/dasm_x86.h
+++ b/dynasm/dasm_x86.h
@@ -213,7 +213,8 @@ void dasm_put(Dst_DECL, int start, ...)
       case DASM_REL_LG:
       case DASM_IMM_LG:
         n = *p++; pl = D->lglabels + n;
-        if (n <= 246) { CKPL(lg, LG); goto putrel; }  /* Bkwd rel or global. */
+        /* Bkwd rel or global. */
+        if (n <= 246) { CK(n>=10||*pl<0, RANGE_LG); CKPL(lg, LG); goto putrel; }
         pl -= 246; n = *pl;
         if (n < 0) n = 0;  /* Start new chain for fwd rel if label exists. */
         goto linkrel;