diff --git a/src/kspace.cpp b/src/kspace.cpp
index 2399c10e2b..a9356a39f1 100644
--- a/src/kspace.cpp
+++ b/src/kspace.cpp
@@ -286,7 +286,7 @@ void KSpace::qsum_qsq(int warning_flag)
   double qsum_local(0.0), qsqsum_local(0.0);
 
 #if defined(_OPENMP)
-#pragma omp parallel for default(none) reduction(+:qsum_local,qsqsum_local)
+#pragma omp parallel for default(shared) reduction(+:qsum_local,qsqsum_local)
 #endif
   for (int i = 0; i < nlocal; i++) {
     qsum_local += q[i];