diff --git a/.github/workflows/try_compile.yml b/.github/workflows/try_compile.yml
index ac4ae2b..3c811f5 100644
--- a/.github/workflows/try_compile.yml
+++ b/.github/workflows/try_compile.yml
@@ -1,7 +1,6 @@
 name: CMake on multiple platforms
 
 on:
-  push:
   pull_request: 
 
 jobs:
diff --git a/position.cpp b/position.cpp
index 75cd91f..208f58e 100644
--- a/position.cpp
+++ b/position.cpp
@@ -196,6 +196,7 @@ template <typename PieceC, typename T> void _Position<PieceC, T>::setFEN(const s
     current_state = HistoryEntry<PieceC>();
     history.clear();
     _chess960 = chess960;
+    std::fill(std::begin(pieces_list), std::end(pieces_list), PieceC::NO_PIECE);
     std::istringstream ss(str);
     std::string board_fen, active_color, castling, enpassant;
     int halfmove = 0, fullmove = 1;
diff --git a/tests.cpp b/tests.cpp
index 84c1d73..179d80d 100644
--- a/tests.cpp
+++ b/tests.cpp
@@ -1330,6 +1330,11 @@ TEST_CASE("Experienced bugs in this repo") {
         REQUIRE(p.getCastlingPath(BLACK, true) == 0x6000000000000000ULL);
         REQUIRE(p.getCastlingPath(BLACK, false) == 0xe00000000000000ULL);
     }
+    {
+        Position p;
+        p.setFEN("1nbqkbnr/1ppppppp/r7/8/4P3/8/PPPP1PPP/RNBQK1NR w KQk - 0 3");
+        REQUIRE(p.fen() == "1nbqkbnr/1ppppppp/r7/8/4P3/8/PPPP1PPP/RNBQK1NR w KQk - 0 3");
+    }
 }
 TEST_CASE("Captures only?") {
     std::vector<TestEntry<std::string, perft_t>> tests = {