diff --git a/src/posix/cocoa/i_common.h b/src/posix/cocoa/i_common.h
index c0986b90a..beff4a33d 100644
--- a/src/posix/cocoa/i_common.h
+++ b/src/posix/cocoa/i_common.h
@@ -145,6 +145,10 @@ enum
 
 static const NSOpenGLPixelFormatAttribute NSOpenGLPFAAllowOfflineRenderers = NSOpenGLPixelFormatAttribute(96);
 
+@interface NSWindow(SetCollectionBehavior)
+- (void)setCollectionBehavior:(NSUInteger)collectionBehavior;
+@end
+
 #endif // prior to 10.5
 
 
@@ -182,6 +186,8 @@ typedef NSInteger NSApplicationActivationPolicy;
 - (NSRect)convertRectToBacking:(NSRect)aRect;
 @end
 
+static const NSWindowCollectionBehavior NSWindowCollectionBehaviorFullScreenAuxiliary = NSWindowCollectionBehavior(1 << 8);
+
 #endif // prior to 10.7
 
 #endif // COCOA_I_COMMON_INCLUDED
diff --git a/src/posix/cocoa/st_console.mm b/src/posix/cocoa/st_console.mm
index b990b9b33..5aafa3935 100644
--- a/src/posix/cocoa/st_console.mm
+++ b/src/posix/cocoa/st_console.mm
@@ -113,6 +113,12 @@ FConsoleWindow::FConsoleWindow()
 	[m_window center];
 	[m_window exitAppOnClose];
 
+	if (NSAppKitVersionNumber >= AppKit10_7)
+	{
+		// Do not allow fullscreen mode for this window
+		[m_window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenAuxiliary];
+	}
+
 	[[m_window contentView] addSubview:m_scrollView];
 
 	[m_window makeKeyAndOrderFront:nil];