diff --git a/tests/conda/py311-extra-ignore-file-merge/test-extra-args.yaml b/tests/conda/py311-extra-ignore-file-merge/test-extra-args.yaml
index 5e69a801..21698f18 100644
--- a/tests/conda/py311-extra-ignore-file-merge/test-extra-args.yaml
+++ b/tests/conda/py311-extra-ignore-file-merge/test-extra-args.yaml
@@ -1,5 +1,5 @@
 # This file is respected by repo2docker's test suite, but not repo2docker
 # itself. It is used solely to help us test repo2docker's command line flags.
 #
-- --extra-ignore-file=ignore-file
+- --extra-ignore-file=tests/conda/ignore-file
 - --ignore-file-strategy=merge
diff --git a/tests/conda/py311-extra-ignore-file-ours/test-extra-args.yaml b/tests/conda/py311-extra-ignore-file-ours/test-extra-args.yaml
index b89a2d30..c7de18c8 100644
--- a/tests/conda/py311-extra-ignore-file-ours/test-extra-args.yaml
+++ b/tests/conda/py311-extra-ignore-file-ours/test-extra-args.yaml
@@ -1,5 +1,5 @@
 # This file is respected by repo2docker's test suite, but not repo2docker
 # itself. It is used solely to help us test repo2docker's command line flags.
 #
-- --extra-ignore-file=ignore-file
+- --extra-ignore-file=tests/conda/ignore-file
 - --ignore-file-strategy=ours
diff --git a/tests/conda/py311-extra-ignore-file-theirs-without-file/test-extra-args.yaml b/tests/conda/py311-extra-ignore-file-theirs-without-file/test-extra-args.yaml
index a8c00a6b..86b75d33 100644
--- a/tests/conda/py311-extra-ignore-file-theirs-without-file/test-extra-args.yaml
+++ b/tests/conda/py311-extra-ignore-file-theirs-without-file/test-extra-args.yaml
@@ -1,5 +1,5 @@
 # This file is respected by repo2docker's test suite, but not repo2docker
 # itself. It is used solely to help us test repo2docker's command line flags.
 #
-- --extra-ignore-file=ignore-file
+- --extra-ignore-file=tests/conda/ignore-file
 - --ignore-file-strategy=theirs
diff --git a/tests/conda/py311-extra-ignore-file-theirs/test-extra-args.yaml b/tests/conda/py311-extra-ignore-file-theirs/test-extra-args.yaml
index a8c00a6b..86b75d33 100644
--- a/tests/conda/py311-extra-ignore-file-theirs/test-extra-args.yaml
+++ b/tests/conda/py311-extra-ignore-file-theirs/test-extra-args.yaml
@@ -1,5 +1,5 @@
 # This file is respected by repo2docker's test suite, but not repo2docker
 # itself. It is used solely to help us test repo2docker's command line flags.
 #
-- --extra-ignore-file=ignore-file
+- --extra-ignore-file=tests/conda/ignore-file
 - --ignore-file-strategy=theirs