diff --git a/source/compiler/sc.h b/source/compiler/sc.h
index a418350..65a1bfa 100644
--- a/source/compiler/sc.h
+++ b/source/compiler/sc.h
@@ -421,7 +421,10 @@ enum {
   teLOCAL, /* local variable (name or offset) */
   teFUNCTN, /* Pawn function */
   teNATIVE, /* native function */
-  teNONNEG , /* nonnegative integer */
+  teNONNEG, /* nonnegative integer */
+
+  tlexLAST = teNONNEG,
+
   /* for assigment to "lastst" only (see SC1.C) */
   tEXPR,
   tENDLESS, /* endless loop */
diff --git a/source/compiler/sc2.c b/source/compiler/sc2.c
index d30c34f..2ae7943 100644
--- a/source/compiler/sc2.c
+++ b/source/compiler/sc2.c
@@ -2133,7 +2133,7 @@ SC_FUNC void lexinit(void)
   _lexnewline=FALSE;
 }
 
-char *sc_tokens[] = {
+char *sc_tokens[tlexLAST-tFIRST+1] = {
          "*=", "/=", "%=", "+=", "-=", "<<=", ">>>=", ">>=", "&=", "^=", "|=",
          "||", "&&", "==", "!=", "<=", ">=", "<<", ">>>", ">>", "++", "--",
          "...", "..",