diff --git a/chrontext/Cargo.toml b/chrontext/Cargo.toml
index 26cfd4e..9e1525c 100644
--- a/chrontext/Cargo.toml
+++ b/chrontext/Cargo.toml
@@ -10,7 +10,7 @@ log = "0.4.21"
 #spargebra = { path = "../../spargebra", features = ["rdf-star"]}
 spargebra = {git = "https://github.com/DataTreehouse/spargebra", features = ["rdf-star"], tag = "v0.2.8"}
 #query_processing = { path = "../../query_processing"}
-query_processing = { git = "https://github.com/DataTreehouse/query_processing", tag="v0.2.4"}
+query_processing = { git = "https://github.com/DataTreehouse/query_processing", tag="v0.2.5"}
 #representation = { path ="../../representation"}
 representation = { git = "https://github.com/DataTreehouse/representation", tag="v0.5.3"}
 sparesults = {version="0.1.8"}
diff --git a/chrontext/src/combiner/lazy_expressions.rs b/chrontext/src/combiner/lazy_expressions.rs
index 99f5ca4..ecd2924 100644
--- a/chrontext/src/combiner/lazy_expressions.rs
+++ b/chrontext/src/combiner/lazy_expressions.rs
@@ -501,7 +501,7 @@ impl Combiner {
                         &plus_context,
                     )
                     .await?;
-                unary_plus(output_solution_mappings, context, &plus_context)?
+                unary_plus(output_solution_mappings, &plus_context,  context)?
             }
             Expression::UnaryMinus(inner) => {
                 let minus_context = context.extension_with(PathEntry::UnaryMinus);
@@ -514,7 +514,7 @@ impl Combiner {
                         &minus_context,
                     )
                     .await?;
-                unary_minus(output_solution_mappings, &context, &minus_context)?
+                unary_minus(output_solution_mappings, &minus_context, context)?
             }
             Expression::Not(inner) => {
                 let not_context = context.extension_with(PathEntry::Not);
@@ -527,7 +527,7 @@ impl Combiner {
                         &not_context,
                     )
                     .await?;
-                not_expression(output_solution_mappings, &context, &not_context)?
+                not_expression(output_solution_mappings, &not_context, context)?
             }
             Expression::Exists(inner) => {
                 let exists_context = context.extension_with(PathEntry::Exists);
@@ -563,8 +563,8 @@ impl Combiner {
                 exists(
                     output_solution_mappings,
                     exists_lf,
-                    &context,
                     &exists_context,
+                    context,
                 )?
             }
             Expression::Bound(v) => bound(solution_mappings, v, context)?,