diff --git a/tools/qfcc/include/expr.h b/tools/qfcc/include/expr.h
index 73d3f2399..f52930730 100644
--- a/tools/qfcc/include/expr.h
+++ b/tools/qfcc/include/expr.h
@@ -211,6 +211,7 @@ typedef struct expr_s {
 } expr_t;
 
 extern struct type_s *ev_types[];
+extern const char *expr_names[];
 
 /**	Report a type mismatch error.
 
diff --git a/tools/qfcc/source/dot_expr.c b/tools/qfcc/source/dot_expr.c
index accd8485a..43578a1c8 100644
--- a/tools/qfcc/source/dot_expr.c
+++ b/tools/qfcc/source/dot_expr.c
@@ -52,7 +52,7 @@
 #include "qc-parse.h"
 #include "strpool.h"
 
-static const char *expr_names[] =
+const char *expr_names[] =
 {
 	"error",
 	"state",
diff --git a/tools/qfcc/source/statements.c b/tools/qfcc/source/statements.c
index 7c0fb693f..f86ae8d47 100644
--- a/tools/qfcc/source/statements.c
+++ b/tools/qfcc/source/statements.c
@@ -1017,7 +1017,8 @@ statement_subexpr (sblock_t *sblock, expr_t *e, operand_t **op)
 	if (e->type > ex_value)
 		internal_error (e, "bad expression type");
 	if (!sfuncs[e->type])
-		internal_error (e, "unexpected expression type");
+		internal_error (e, "unexpected expression type; %s",
+						expr_names[e->type]);
 
 	sblock = sfuncs[e->type] (sblock, e, op);
 	return sblock;