diff --git a/contrib/teamcity/builds/build-make-generator.sh b/contrib/teamcity/builds/build-make-generator.sh
index 6f3d2c545..2e0818163 100755
--- a/contrib/teamcity/builds/build-make-generator.sh
+++ b/contrib/teamcity/builds/build-make-generator.sh
@@ -1,14 +1,14 @@
 #!/usr/bin/env bash
 
 export LC_ALL=C.UTF-8
 
 set -euxo pipefail
 
 # shellcheck source=../ci-fixture.sh
 source "${TOPLEVEL}/contrib/teamcity/ci-fixture.sh"
 
 # Ensure that the build using cmake and the "Unix Makefiles" generator is not
 # broken.
 git clean -xffd
-cmake -G "Unix Makefiles" ..
+cmake -G "Unix Makefiles" "${TOPLEVEL}"
 make -j "${THREADS}" all check