diff --git a/conda/artiq/build.sh b/conda/artiq/build.sh
index e6c049b18..ea582b029 100755
--- a/conda/artiq/build.sh
+++ b/conda/artiq/build.sh
@@ -32,12 +32,12 @@ cd $SRC_DIR/misoc; python make.py -X ../soc -t artiq_pipistrello $MISOC_EXTRA_IS
 
 cp soc/runtime/runtime.fbi $BIN_PREFIX/kc705/
 cp $SRC_DIR/misoc/software/bios/bios.bin $BIN_PREFIX/kc705/
-cp $SRC_DIR/misoc/build/artiq_kc705-nist_qc1-kc705.bin $BIN_PREFIX/kc705/
+cp $SRC_DIR/misoc/build/artiq_kc705-nist_qc1-kc705.bit $BIN_PREFIX/kc705/
 
 # install Pipistrello binaries
 
 cp soc/runtime/runtime.fbi $BIN_PREFIX/pipistrello/
 cp $SRC_DIR/misoc/software/bios/bios.bin $BIN_PREFIX/pipistrello/
-cp $SRC_DIR/misoc/build/artiq_pipistrello-nist_qc1-pipistrello.bin $BIN_PREFIX/pipistrello/
+cp $SRC_DIR/misoc/build/artiq_pipistrello-nist_qc1-pipistrello.bit $BIN_PREFIX/pipistrello/
 
 cp artiq/frontend/artiq_flash.sh $PREFIX/bin