4 files changed, 5 insertions, 5 deletions
diff --git a/js/src/dropdown.js b/js/src/dropdown.js
index 9190b3ed5..96094a3e6 100644
--- a/js/src/dropdown.js
+++ b/js/src/dropdown.js
@@ -320,7 +320,7 @@ class Dropdown extends BaseComponent {
 
     return {
       ...defaultBsPopperConfig,
-      ...execute(this._config.popperConfig, [defaultBsPopperConfig])
+      ...execute(this._config.popperConfig, [undefined, defaultBsPopperConfig])
     }
   }
 
diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index 6a6cfeff2..92d455349 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -392,7 +392,7 @@ class Tooltip extends BaseComponent {
   }
 
   _resolvePossibleFunction(arg) {
-    return execute(arg, [this._element])
+    return execute(arg, [this._element, this._element])
   }
 
   _getPopperConfig(attachment) {
@@ -438,7 +438,7 @@ class Tooltip extends BaseComponent {
 
     return {
       ...defaultBsPopperConfig,
-      ...execute(this._config.popperConfig, [defaultBsPopperConfig])
+      ...execute(this._config.popperConfig, [undefined, defaultBsPopperConfig])
     }
   }
 
diff --git a/js/src/util/index.js b/js/src/util/index.js
index 2adf19e3b..c271cc536 100644
--- a/js/src/util/index.js
+++ b/js/src/util/index.js
@@ -223,7 +223,7 @@ const defineJQueryPlugin = plugin => {
 }
 
 const execute = (possibleCallback, args = [], defaultValue = possibleCallback) => {
-  return typeof possibleCallback === 'function' ? possibleCallback(...args) : defaultValue
+  return typeof possibleCallback === 'function' ? possibleCallback.call(...args) : defaultValue
 }
 
 const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
diff --git a/js/src/util/template-factory.js b/js/src/util/template-factory.js
index f73589bcc..6d1532b4d 100644
--- a/js/src/util/template-factory.js
+++ b/js/src/util/template-factory.js
@@ -143,7 +143,7 @@ class TemplateFactory extends Config {
   }
 
   _resolvePossibleFunction(arg) {
-    return execute(arg, [this])
+    return execute(arg, [undefined, this])
   }
 
   _putElementInTemplate(element, templateElement) {