diff --git a/modules/juce_gui_basics/native/juce_ios_FileChooser.mm b/modules/juce_gui_basics/native/juce_ios_FileChooser.mm
index 542db4c5cd..9d56b55373 100644
--- a/modules/juce_gui_basics/native/juce_ios_FileChooser.mm
+++ b/modules/juce_gui_basics/native/juce_ios_FileChooser.mm
@@ -140,6 +140,8 @@ public:
     {
        #if JUCE_MODAL_LOOPS_PERMITTED
         runModalLoop();
+       #else
+        jassertfalse;
        #endif
     }
 
diff --git a/modules/juce_gui_basics/native/juce_linux_FileChooser.cpp b/modules/juce_gui_basics/native/juce_linux_FileChooser.cpp
index 97327c59ee..b799ee2e4c 100644
--- a/modules/juce_gui_basics/native/juce_linux_FileChooser.cpp
+++ b/modules/juce_gui_basics/native/juce_linux_FileChooser.cpp
@@ -66,6 +66,7 @@ public:
 
     void runModally() override
     {
+       #if JUCE_MODAL_LOOPS_PERMITTED
         child.start (args, ChildProcess::wantStdOut);
 
         while (child.isRunning())
@@ -73,6 +74,9 @@ public:
                 break;
 
         finish (false);
+       #else
+        jassertfalse;
+       #endif
     }
 
     void launch() override
diff --git a/modules/juce_gui_basics/native/juce_mac_FileChooser.mm b/modules/juce_gui_basics/native/juce_mac_FileChooser.mm
index 92d664606f..af5d96af71 100644
--- a/modules/juce_gui_basics/native/juce_mac_FileChooser.mm
+++ b/modules/juce_gui_basics/native/juce_mac_FileChooser.mm
@@ -183,6 +183,7 @@ public:
 
     void runModally() override
     {
+       #if JUCE_MODAL_LOOPS_PERMITTED
         ensurePanelSafe();
 
         std::unique_ptr<TemporaryMainMenuWithStandardCommands> tempMenu;
@@ -193,6 +194,9 @@ public:
         jassert (panel != nil);
         auto result = [panel runModal];
         finished (result);
+       #else
+        jassertfalse;
+       #endif
     }
 
     bool canModalEventBeSentToComponent (const Component* targetComponent) override
diff --git a/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp b/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp
index 4914493589..0c1138a2b0 100644
--- a/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp
+++ b/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp
@@ -758,12 +758,16 @@ public:
 
     void runModally() override
     {
+       #if JUCE_MODAL_LOOPS_PERMITTED
         enterModalState (true);
         nativeFileChooser->open (false);
         exitModalState (nativeFileChooser->results.size() > 0 ? 1 : 0);
         nativeFileChooser->cancel();
 
         owner.finished (nativeFileChooser->results);
+       #else
+        jassertfalse;
+       #endif
     }
 
     bool canModalEventBeSentToComponent (const Component* targetComponent) override