diff --git a/src/dot-export/index.js b/src/dot-export/index.js
index d1305227..4d23e5da 100644
--- a/src/dot-export/index.js
+++ b/src/dot-export/index.js
@@ -14,7 +14,7 @@ class DotExport extends AbstractExport {
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = DotExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
   }
diff --git a/src/heta-code-export/index.js b/src/heta-code-export/index.js
index a07ed6f3..1de31904 100644
--- a/src/heta-code-export/index.js
+++ b/src/heta-code-export/index.js
@@ -13,7 +13,7 @@ class HetaCodeExport extends AbstractExport{
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = HetaCodeExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
   }
diff --git a/src/json-export/index.js b/src/json-export/index.js
index 0fb88545..5c1cdbf3 100644
--- a/src/json-export/index.js
+++ b/src/json-export/index.js
@@ -15,7 +15,7 @@ class JSONExport extends AbstractExport {
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = JSONExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
 
diff --git a/src/julia-export/index.js b/src/julia-export/index.js
index d6b06f36..1633cfe2 100644
--- a/src/julia-export/index.js
+++ b/src/julia-export/index.js
@@ -15,7 +15,7 @@ class JuliaExport extends AbstractExport {
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = JuliaExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
   }
@@ -37,7 +37,7 @@ class JuliaExport extends AbstractExport {
   // skipVersionCode means that the version will not be printed in output
   // this is required for autotests
   makeText(skipVersionCode = false) {
-    //let logger = this._builder.logger;
+    //let { logger } = this._builder;
     // create image for multiple namespaces
     let nsImages = this.selectedNamespaces()
       .map(([spaceName, ns]) => ns.getJuliaImage());
diff --git a/src/mrgsolve-export/index.js b/src/mrgsolve-export/index.js
index cc3349f1..3c0ef421 100644
--- a/src/mrgsolve-export/index.js
+++ b/src/mrgsolve-export/index.js
@@ -14,7 +14,7 @@ class MrgsolveExport extends AbstractExport {
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = MrgsolveExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
   }
diff --git a/src/sbml-export/index.js b/src/sbml-export/index.js
index 513b99bb..521d655b 100644
--- a/src/sbml-export/index.js
+++ b/src/sbml-export/index.js
@@ -15,7 +15,7 @@ class SBMLExport extends AbstractExport {
     super(q, isCore);
 
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = SBMLExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
 
diff --git a/src/simbio-export/index.js b/src/simbio-export/index.js
index 83fc1104..993b7481 100644
--- a/src/simbio-export/index.js
+++ b/src/simbio-export/index.js
@@ -14,7 +14,7 @@ class SimbioExport extends AbstractExport {
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = SimbioExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
   }
diff --git a/src/slv-export/index.js b/src/slv-export/index.js
index 7019f44f..273af56e 100644
--- a/src/slv-export/index.js
+++ b/src/slv-export/index.js
@@ -18,7 +18,7 @@ class SLVExport extends AbstractExport{
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = SLVExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
 
diff --git a/src/summary-export/index.js b/src/summary-export/index.js
index e2821862..5074f48d 100644
--- a/src/summary-export/index.js
+++ b/src/summary-export/index.js
@@ -14,7 +14,7 @@ class SummaryExport extends AbstractExport {
     super(q, isCore);
 
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = SummaryExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }
   }
diff --git a/src/yaml-export/index.js b/src/yaml-export/index.js
index 3bbdcc3e..87004644 100644
--- a/src/yaml-export/index.js
+++ b/src/yaml-export/index.js
@@ -16,7 +16,7 @@ class YAMLExport extends AbstractExport {
     super(q, isCore);
     
     // check arguments here
-    let logger = this._builder.logger;
+    let { logger } = this._builder;
     let valid = YAMLExport.isValid(q, logger);
     if (!valid) { this.errored = true; return; }