1 files changed, 3 insertions, 3 deletions
diff --git a/searchcommon/src/vespa/searchcommon/common/undefinedvalues.h b/searchcommon/src/vespa/searchcommon/common/undefinedvalues.h
index 478cc680ea0..3185cad34bd 100644
--- a/searchcommon/src/vespa/searchcommon/common/undefinedvalues.h
+++ b/searchcommon/src/vespa/searchcommon/common/undefinedvalues.h
@@ -11,17 +11,17 @@ namespace attribute {
 
 // for all integers
 template <typename T>
-T getUndefined() {
+constexpr T getUndefined() {
     return std::numeric_limits<T>::min();
 }
 
 template <>
-inline float getUndefined<float>() {
+inline constexpr float getUndefined<float>() {
     return -std::numeric_limits<float>::quiet_NaN();
 }
 
 template <>
-inline double getUndefined<double>() {
+inline constexpr double getUndefined<double>() {
     return -std::numeric_limits<double>::quiet_NaN();
 }