1 files changed, 1 insertions, 1 deletions
diff --git a/ice40/pcf.cc b/ice40/pcf.cc
index 15132800..a854a780 100644
--- a/ice40/pcf.cc
+++ b/ice40/pcf.cc
@@ -119,7 +119,7 @@ bool apply_pcf(Context *ctx, std::string filename, std::istream &in)
                 }
             }
         }
-        ctx->settings.emplace(ctx->id("input/pcf"), filename);
+        ctx->settings[ctx->id("input/pcf")] = filename;
         return true;
     } catch (log_execution_error_exception) {
         return false;