diff --git a/launcher/modplatform/modrinth/ModrinthAPI.h b/launcher/modplatform/modrinth/ModrinthAPI.h
index 3a5c21ed1..ae74545e2 100644
--- a/launcher/modplatform/modrinth/ModrinthAPI.h
+++ b/launcher/modplatform/modrinth/ModrinthAPI.h
@@ -71,13 +71,15 @@ class ModrinthAPI : public NetworkResourceAPI {
 
     static auto getSideFilters(QString side) -> const QString
     {
-        if (side.isEmpty() || side == "both") {
+        if (side.isEmpty()) {
             return {};
         }
+        if (side == "both")
+            return QString("\"client_side:required\"],[\"server_side:required\"");
         if (side == "client")
-            return QString("\"client_side:required\",\"client_side:optional\"");
+            return QString("\"client_side:required\",\"client_side:optional\"],[\"server_side:optional\",\"server_side:unsupported\"");
         if (side == "server")
-            return QString("\"server_side:required\",\"server_side:optional\"");
+            return QString("\"server_side:required\",\"server_side:optional\"],[\"client_side:optional\",\"client_side:unsupported\"");
         return {};
     }
 
diff --git a/launcher/ui/widgets/ModFilterWidget.cpp b/launcher/ui/widgets/ModFilterWidget.cpp
index 5ae49d3a5..37211693f 100644
--- a/launcher/ui/widgets/ModFilterWidget.cpp
+++ b/launcher/ui/widgets/ModFilterWidget.cpp
@@ -279,16 +279,17 @@ void ModFilterWidget::onSideFilterChanged()
 {
     QString side;
 
-    if (ui->clientSide->isChecked() != ui->serverSide->isChecked()) {
-        if (ui->clientSide->isChecked())
-            side = "client";
-        else
-            side = "server";
+    if (ui->clientSide->isChecked() && !ui->serverSide->isChecked()) {
+        side = "client";
+    } else if (!ui->clientSide->isChecked() && ui->serverSide->isChecked()) {
+        side = "server";
+    } else if (ui->clientSide->isChecked() && ui->serverSide->isChecked()) {
+        side = "both";
     } else {
-        // both are checked or none are checked; in either case no filtering will happen
         side = "";
     }
 
+
     m_filter_changed = side != m_filter->side;
     m_filter->side = side;
     if (m_filter_changed)