diff --git a/ast_expr2.fl b/ast_expr2.fl
index 86a16c3fae..3eaf80461a 100755
--- a/ast_expr2.fl
+++ b/ast_expr2.fl
@@ -8,7 +8,7 @@
 #ifndef SOLARIS
 #include <err.h>
 #else
-#define quad_t uint64_t
+#define quad_t int64_t
 #endif
 #include <errno.h>
 #include <regex.h>
diff --git a/ast_expr2.y b/ast_expr2.y
index f999a2b109..c2af98ce27 100755
--- a/ast_expr2.y
+++ b/ast_expr2.y
@@ -21,7 +21,7 @@
 #ifndef SOLARIS
 #include <err.h>
 #else
-#define quad_t uint64_t
+#define quad_t int64_t
 #endif
 #include <errno.h>
 #include <regex.h>