diff --git a/harbour/include/extend.h b/harbour/include/extend.h
index a2044ea971..6a298350ec 100644
--- a/harbour/include/extend.h
+++ b/harbour/include/extend.h
@@ -66,7 +66,7 @@ typedef struct     /* items hold at the virtual machine stack */
    WORD wBase;     /* stack frame number of items position for a function call */
    PSYMBOL pSymbols; /* codeblocks symbols */
    WORD wLine;     /* currently processed PRG line number */
-   WORD  wParams;  /* number of received parameters for a function call */
+   WORD wParams;   /* number of received parameters for a function call */
 } ITEM, * PITEM;
 
 typedef struct
diff --git a/harbour/include/types.h b/harbour/include/types.h
index 1c888e8dce..8e2e2c9337 100644
--- a/harbour/include/types.h
+++ b/harbour/include/types.h
@@ -14,7 +14,7 @@ typedef unsigned short int WORD;
 #undef SHORT                           /* 2 bytes signed */
 typedef short int SHORT;
 
-#undef LONG                            /* 4 bytes unsigned */
+#undef LONG                            /* 4 bytes signed */
 typedef long LONG;
 typedef unsigned long ULONG;