diff --git a/conda/artiq-kc705-nist_qc1/meta.yaml b/conda/artiq-kc705-nist_qc1/meta.yaml
index be17db660..000674b69 100644
--- a/conda/artiq-kc705-nist_qc1/meta.yaml
+++ b/conda/artiq-kc705-nist_qc1/meta.yaml
@@ -7,7 +7,7 @@ source:
 
 build:
   noarch_python: true
-  number: {{ environ.get("BUILDNUMBER", 9999) }}
+  number: {{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}
   string: py_{{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}+git{{ environ.get("GIT_DESCRIBE_HASH", "")[1:] }}
 
 requirements:
diff --git a/conda/artiq-kc705-nist_qc2/meta.yaml b/conda/artiq-kc705-nist_qc2/meta.yaml
index 01e42d7bc..833c6c395 100644
--- a/conda/artiq-kc705-nist_qc2/meta.yaml
+++ b/conda/artiq-kc705-nist_qc2/meta.yaml
@@ -7,7 +7,7 @@ source:
 
 build:
   noarch_python: true
-  number: {{ environ.get("BUILDNUMBER", 9999) }}
+  number: {{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}
   string: py_{{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}+git{{ environ.get("GIT_DESCRIBE_HASH", "")[1:] }}
 
 requirements:
diff --git a/conda/artiq-pipistrello-nist_qc1/meta.yaml b/conda/artiq-pipistrello-nist_qc1/meta.yaml
index bb76f3626..933569f11 100644
--- a/conda/artiq-pipistrello-nist_qc1/meta.yaml
+++ b/conda/artiq-pipistrello-nist_qc1/meta.yaml
@@ -7,7 +7,7 @@ source:
 
 build:
   noarch_python: true
-  number: {{ environ.get("BUILDNUMBER", 9999) }}
+  number: {{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}
   string: py_{{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}+git{{ environ.get("GIT_DESCRIBE_HASH", "")[1:] }}
 
 requirements:
diff --git a/conda/artiq/meta.yaml b/conda/artiq/meta.yaml
index b06adbd50..d4f447496 100644
--- a/conda/artiq/meta.yaml
+++ b/conda/artiq/meta.yaml
@@ -7,7 +7,7 @@ source:
 
 build:
   noarch_python: true
-  number: {{ environ.get("BUILDNUMBER", 9999) }}
+  number: {{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}
   string: py_{{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}+git{{ environ.get("GIT_DESCRIBE_HASH", "")[1:] }}
   entry_points:
     - artiq_client = artiq.frontend.artiq_client:main