diff --git a/ConfForm.Designer.cs b/ConfForm.Designer.cs
index ccd382b..d837486 100644
--- a/ConfForm.Designer.cs
+++ b/ConfForm.Designer.cs
@@ -114,6 +114,7 @@ namespace PDF_Merge
             sourceDirBtn.TabIndex = 7;
             sourceDirBtn.Text = "...";
             sourceDirBtn.UseVisualStyleBackColor = true;
+            sourceDirBtn.Click += sourceDirBtn_Click;
             // 
             // outPathBtn
             // 
diff --git a/ConfForm.cs b/ConfForm.cs
index 652f423..b4729f0 100644
--- a/ConfForm.cs
+++ b/ConfForm.cs
@@ -44,14 +44,16 @@ namespace PDF_Merge
             if (sourceBox.Text.Length > 0)
             {
                 appSettings.Settings["PDF-Path"].Value = sourceBox.Text;
-            } else
+            }
+            else
             {
                 MessageBox.Show("Source path cannot be empty.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
             if (outputBox.Text.Length > 0)
             {
                 appSettings.Settings["PDF-Output"].Value = outputBox.Text;
-            } else
+            }
+            else
             {
                 MessageBox.Show("Output path cannot be empty.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
@@ -60,5 +62,17 @@ namespace PDF_Merge
             ConfigurationManager.RefreshSection("appSettings");
             this.Close();
         }
+
+        private void sourceDirBtn_Click(object sender, EventArgs e)
+        {
+            using (var SourceDirPicker = new FolderBrowserDialog())
+            {
+                if(SourceDirPicker.ShowDialog() == DialogResult.OK)
+                {
+                    var sourceDir = SourceDirPicker.SelectedPath;
+                    sourceBox.Text = sourceDir;
+                }
+            }
+        }
     }
 }