diff --git a/conda/artiq-board/build.sh b/conda/artiq-board/build.sh
index 3b61b285e..44c067c00 100644
--- a/conda/artiq-board/build.sh
+++ b/conda/artiq-board/build.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 SOC_PREFIX=$SP_DIR/artiq/binaries/${ARTIQ_TARGET}-${ARTIQ_VARIANT}
 mkdir -p ${SOC_PREFIX}
 
diff --git a/conda/artiq-sayma_rtm/build.sh b/conda/artiq-sayma_rtm/build.sh
index 83e505221..eceae8698 100644
--- a/conda/artiq-sayma_rtm/build.sh
+++ b/conda/artiq-sayma_rtm/build.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 SOC_PREFIX=$SP_DIR/artiq/binaries/sayma_rtm
 mkdir -p $SOC_PREFIX