diff --git a/e2e/run_test b/e2e/run_test
index 244ce6ed85..f62b97a006 100755
--- a/e2e/run_test
+++ b/e2e/run_test
@@ -107,7 +107,7 @@ run_test() {
 	local status=0
 
 	START="$(date +%s)"
-	within_isolated_env bash --noprofile --norc -euo pipefail -c "source $SCRIPT_DIR/assert.sh && source $TEST_SCRIPT" || status=$?
+	within_isolated_env bash --noprofile --norc -euo pipefail -c "source \"$SCRIPT_DIR/assert.sh\" && source \"$TEST_SCRIPT\"" || status=$?
 	END="$(date +%s)"
 	DURATION=$((END - START))s
 
diff --git a/src/env_diff.rs b/src/env_diff.rs
index b8920a684b..a1fdba7785 100644
--- a/src/env_diff.rs
+++ b/src/env_diff.rs
@@ -81,7 +81,7 @@ impl EnvDiff {
             "--noprofile",
             "-c",
             indoc::formatdoc! {"
-                . {script}
+                . \"{script}\"
                 export -p
             ", script = script.display()}
         )