diff --git a/app/controllers/concerns/member_concerns.rb b/app/controllers/concerns/member_concerns.rb
index 1f4abffb6..8a8356f58 100644
--- a/app/controllers/concerns/member_concerns.rb
+++ b/app/controllers/concerns/member_concerns.rb
@@ -30,11 +30,11 @@ def set_member
       @member = current_user
     end
 
-    def how_you_found_us_selections_valid?
-      how_found_present = member_params[:how_you_found_us].present?
-      other_reason_present = member_params[:how_you_found_us_other_reason].present?
-      return false if member_params[:how_you_found_us] == 'other' && !other_reason_present
-      return true if member_params[:how_you_found_us] == 'other' && other_reason_present
+    def how_you_found_us_selections_valid?(attrs)
+      how_found_present = attrs[:how_you_found_us].present?
+      other_reason_present = attrs[:how_you_found_us_other_reason].present?
+      return false if attrs[:how_you_found_us] == 'other' && !other_reason_present
+      return true if attrs[:how_you_found_us] == 'other' && other_reason_present
 
       how_found_present != other_reason_present
     end
diff --git a/app/controllers/member/details_controller.rb b/app/controllers/member/details_controller.rb
index 848a01e10..9652a7f5d 100644
--- a/app/controllers/member/details_controller.rb
+++ b/app/controllers/member/details_controller.rb
@@ -14,22 +14,17 @@ def edit
 
   def update
     attrs = member_params
-    attrs[:how_you_found_us_other_reason] = nil if attrs[:how_you_found_us] != 'other'
 
-    unless how_you_found_us_selections_valid?
+    unless how_you_found_us_selections_valid?(attrs)
       @member.errors.add(:how_you_found_us, 'You must select one option')
       return render :edit
     end
-    attrs[:how_you_found_us] = params[:member][:how_you_found_us] if params[:member][:how_you_found_us].present?
 
-    if params[:member][:how_you_found_us_other_reason].present? && attrs[:how_you_found_us] == 'other'
-      attrs[:how_you_found_us_other_reason] =
-        params[:member][:how_you_found_us_other_reason]
-    end
+    attrs[:how_you_found_us_other_reason] = nil if attrs[:how_you_found_us] != 'other'
 
     return render :edit unless @member.update(attrs)
 
-    member_params[:newsletter] ? subscribe_to_newsletter(@member) : unsubscribe_from_newsletter(@member)
+    attrs[:newsletter] ? subscribe_to_newsletter(@member) : unsubscribe_from_newsletter(@member)
     redirect_to step2_member_path
   end
 end
diff --git a/spec/controllers/member/details_controller_spec.rb b/spec/controllers/member/details_controller_spec.rb
index 9c98c487b..128dbc6fd 100644
--- a/spec/controllers/member/details_controller_spec.rb
+++ b/spec/controllers/member/details_controller_spec.rb
@@ -97,6 +97,32 @@
 
         expect(response.body).to include('You must select one option')
       end
+
+      it 'validates efficiently by calling member_params only once' do
+        # This test verifies the fix for the performance issue where member_params
+        # was called multiple times (previously 6 times!):
+        # - Old: Line 16 called member_params, line 19 validation called it again, line 32 called it again
+        # - New: Line 16 calls member_params once, passes result to validation
+
+        # Mock to track how many times member_params is called
+        call_count = 0
+        allow(controller).to receive(:member_params).and_wrap_original do |method|
+          call_count += 1
+          method.call
+        end
+
+        patch :update, params: {
+          id: member.id,
+          member: {
+            how_you_found_us: 'social_media',
+            how_you_found_us_other_reason: '', # Empty is OK
+            newsletter: 'true'
+          }
+        }
+
+        # After fix: member_params is called only once
+        expect(call_count).to eq(1)
+      end
     end
   end
 end