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-rw-r--r--searchlib/src/vespa/searchlib/features/rankingexpressionfeature.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/searchlib/src/vespa/searchlib/features/rankingexpressionfeature.cpp b/searchlib/src/vespa/searchlib/features/rankingexpressionfeature.cpp
index 434040c7dad..efb5898fde4 100644
--- a/searchlib/src/vespa/searchlib/features/rankingexpressionfeature.cpp
+++ b/searchlib/src/vespa/searchlib/features/rankingexpressionfeature.cpp
@@ -7,6 +7,7 @@
#include <vespa/searchlib/features/rankingexpression/feature_name_extractor.h>
#include <vespa/eval/eval/param_usage.h>
#include <vespa/eval/eval/fast_value.h>
+#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/log/log.h>
LOG_SETUP(".features.rankingexpression");