diff --git a/vmtest/kbuild.py b/vmtest/kbuild.py
index e0a15faa..1b327937 100644
--- a/vmtest/kbuild.py
+++ b/vmtest/kbuild.py
@@ -112,7 +112,7 @@ async def apply_patches(kernel_dir: Path) -> None:
         .decode()
         .strip()
     )
-    logging.info("applying patches for kernel version %s", version)
+    logger.info("applying patches for kernel version %s", version)
     any_applied = False
     for patch in _PATCHES:
         for min_version, max_version in patch.versions:
@@ -122,7 +122,7 @@ async def apply_patches(kernel_dir: Path) -> None:
                 break
         else:
             continue
-        logging.info("applying %s", patch.name)
+        logger.info("applying %s", patch.name)
         any_applied = True
         proc = await asyncio.create_subprocess_exec(
             "git",
@@ -147,9 +147,9 @@ async def apply_patches(kernel_dir: Path) -> None:
                 sys.stderr.buffer.write(stderr)
                 sys.stderr.buffer.flush()
                 raise
-            logging.info("already applied")
+            logger.info("already applied")
     if not any_applied:
-        logging.info("no patches")
+        logger.info("no patches")
 
 
 class KBuild:
diff --git a/vmtest/kmod.py b/vmtest/kmod.py
index c35d63df..9e686917 100644
--- a/vmtest/kmod.py
+++ b/vmtest/kmod.py
@@ -23,7 +23,7 @@ def build_kmod(download_dir: Path, kernel: Kernel) -> Path:
     kmod_source_dir = Path("tests/linux_kernel/kmod")
     source_files = ("drgn_test.c", "Makefile")
     if out_of_date(kmod, *[kmod_source_dir / filename for filename in source_files]):
-        logging.info("building %s", kmod)
+        logger.info("building %s", kmod)
 
         compiler = downloaded_compiler(download_dir, kernel.arch)
         kernel_build_dir = kernel.path / "build"
@@ -55,7 +55,7 @@ def build_kmod(download_dir: Path, kernel: Kernel) -> Path:
             )
             (tmp_dir / "drgn_test.ko").rename(kmod)
     else:
-        logging.info("%s is up to date", kmod)
+        logger.info("%s is up to date", kmod)
     return kmod
 
 
diff --git a/vmtest/manage.py b/vmtest/manage.py
index 9b9669ed..941b2710 100644
--- a/vmtest/manage.py
+++ b/vmtest/manage.py
@@ -360,7 +360,7 @@ async def main() -> None:
         if to_build:
             logger.info("kernel versions to build:")
             for tag, tag_arches_to_build in to_build:
-                logging.info(
+                logger.info(
                     "  %s (%s)",
                     tag,
                     ", ".join(