1 files changed, 4 insertions, 0 deletions

diff --git a/src/core/moves.h b/src/core/moves.h
index 008e928..5f48f8d 100644
--- a/src/core/moves.h
+++ b/src/core/moves.h
@@ -65,6 +65,10 @@ STATIC bool are_lastmoves_singlecw(size_t n, const uint8_t [n]);
                         VAR_B++; \
                 ARG_MOVE = VAR_MOVE_NOMOD + VAR_MOD; \
                 ARG_ACTION \
+        } \
+        if (VAR_IN_PARENTHESES) { \
+                LOG("Mismatched '(' in move sequence\n"); \
+                return RET_ERROR; \
         }
 
 STATIC uint8_t