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-rw-r--r--src/resolve-system-dependencies/resolve-system-dependencies.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/resolve-system-dependencies/resolve-system-dependencies.cc b/src/resolve-system-dependencies/resolve-system-dependencies.cc
index 4dd691981..c6023eb03 100644
--- a/src/resolve-system-dependencies/resolve-system-dependencies.cc
+++ b/src/resolve-system-dependencies/resolve-system-dependencies.cc
@@ -176,7 +176,7 @@ int main(int argc, char ** argv)
impurePaths.insert(argv[2]);
else {
auto drv = store->derivationFromPath(store->parseStorePath(argv[1]));
- impurePaths = tokenizeString<StringSet>(get(drv.env, "__impureHostDeps").value_or(""));
+ impurePaths = tokenizeString<StringSet>(getOr(drv.env, "__impureHostDeps", ""));
impurePaths.insert("/usr/lib/libSystem.dylib");
}