diff --git a/Cocoa/Document.m b/Cocoa/Document.m
index 71436d33..0114658f 100644
--- a/Cocoa/Document.m
+++ b/Cocoa/Document.m
@@ -817,9 +817,7 @@ static void audioCallback(GB_gameboy_t *gb, GB_sample_t *sample)
     }
     
     if (![console_output_timer isValid]) {
-        console_output_timer = [NSTimer timerWithTimeInterval:(NSTimeInterval)0.05 repeats:NO block:^(NSTimer * _Nonnull timer) {
-            [self appendPendingOutput];
-        }];
+        console_output_timer = [NSTimer timerWithTimeInterval:(NSTimeInterval)0.05 target:self selector:@selector(appendPendingOutput) userInfo:nil repeats:NO];
         [[NSRunLoop mainRunLoop] addTimer:console_output_timer forMode:NSDefaultRunLoopMode];
     }
     
@@ -1665,7 +1663,7 @@ static void audioCallback(GB_gameboy_t *gb, GB_sample_t *sample)
     
 }
 
-- (BOOL)splitView:(NSSplitView *)splitView canCollapseSubview:(NSView *)subview;
+- (BOOL)splitView:(GBSplitView *)splitView canCollapseSubview:(NSView *)subview;
 {
     if ([[splitView arrangedSubviews] lastObject] == subview) {
         return YES;
@@ -1673,16 +1671,16 @@ static void audioCallback(GB_gameboy_t *gb, GB_sample_t *sample)
     return NO;
 }
 
-- (CGFloat)splitView:(NSSplitView *)splitView constrainMinCoordinate:(CGFloat)proposedMinimumPosition ofSubviewAt:(NSInteger)dividerIndex
+- (CGFloat)splitView:(GBSplitView *)splitView constrainMinCoordinate:(CGFloat)proposedMinimumPosition ofSubviewAt:(NSInteger)dividerIndex
 {
     return 600;
 }
 
-- (CGFloat)splitView:(NSSplitView *)splitView constrainMaxCoordinate:(CGFloat)proposedMaximumPosition ofSubviewAt:(NSInteger)dividerIndex {
+- (CGFloat)splitView:(GBSplitView *)splitView constrainMaxCoordinate:(CGFloat)proposedMaximumPosition ofSubviewAt:(NSInteger)dividerIndex {
     return splitView.frame.size.width - 321;
 }
 
-- (BOOL)splitView:(NSSplitView *)splitView shouldAdjustSizeOfSubview:(NSView *)view {
+- (BOOL)splitView:(GBSplitView *)splitView shouldAdjustSizeOfSubview:(NSView *)view {
     if ([[splitView arrangedSubviews] lastObject] == view) {
         return NO;
     }
@@ -1691,7 +1689,7 @@ static void audioCallback(GB_gameboy_t *gb, GB_sample_t *sample)
 
 - (void)splitViewDidResizeSubviews:(NSNotification *)notification
 {
-    NSSplitView *splitview = notification.object;
+    GBSplitView *splitview = notification.object;
     if ([[[splitview arrangedSubviews] firstObject] frame].size.width < 600) {
         [splitview setPosition:600 ofDividerAtIndex:0];
     }
diff --git a/Cocoa/GBSplitView.h b/Cocoa/GBSplitView.h
index 7b2faa2c..6ab97cf0 100644
--- a/Cocoa/GBSplitView.h
+++ b/Cocoa/GBSplitView.h
@@ -3,5 +3,5 @@
 @interface GBSplitView : NSSplitView
 
 -(void) setDividerColor:(NSColor *)color;
-
+- (NSArray<NSView *> *)arrangedSubviews;
 @end
diff --git a/Cocoa/GBSplitView.m b/Cocoa/GBSplitView.m
index 0a30fe0c..0fb3bc4c 100644
--- a/Cocoa/GBSplitView.m
+++ b/Cocoa/GBSplitView.m
@@ -17,4 +17,14 @@
     return [super dividerColor];
 }
 
+/* Mavericks comaptibility */
+- (NSArray<NSView *> *)arrangedSubviews
+{
+    if (@available(macOS 10.11, *)) {
+        return [super arrangedSubviews];
+    } else {
+        return [self subviews];
+    }
+}
+
 @end
diff --git a/Cocoa/GBViewMetal.m b/Cocoa/GBViewMetal.m
index 4c8a5d5e..62deadcf 100644
--- a/Cocoa/GBViewMetal.m
+++ b/Cocoa/GBViewMetal.m
@@ -1,4 +1,6 @@
 #import "GBViewMetal.h"
+#pragma clang diagnostic ignored "-Wpartial-availability"
+
 
 static const vector_float2 rect[] =
 {
diff --git a/Cocoa/NSObject+MavericksCompat.m b/Cocoa/NSObject+MavericksCompat.m
new file mode 100644
index 00000000..6c065143
--- /dev/null
+++ b/Cocoa/NSObject+MavericksCompat.m
@@ -0,0 +1,7 @@
+#import <AppKit/AppKit.h>
+@implementation NSObject (MavericksCompat)
+- (instancetype)initWithCoder:(NSCoder *)coder
+{
+    return [self init];
+}
+@end
diff --git a/Makefile b/Makefile
index 5923b2e4..36a893dd 100644
--- a/Makefile
+++ b/Makefile
@@ -88,7 +88,7 @@ OPEN_DIALOG = OpenDialog/cocoa.m
 endif
 
 
-CFLAGS += -Werror -Wall -Wno-nonnull -Wno-unused-result -Wno-strict-aliasing -Wno-unknown-warning -Wno-unknown-warning-option -Wno-multichar -Wno-int-in-bool-context -std=gnu11 -D_GNU_SOURCE -DVERSION="$(VERSION)" -I. -D_USE_MATH_DEFINES
+CFLAGS += -Werror -Wall -Wpartial-availability -Wno-nonnull -Wno-unused-result -Wno-strict-aliasing -Wno-unknown-warning -Wno-unknown-warning-option -Wno-multichar -Wno-int-in-bool-context -std=gnu11 -D_GNU_SOURCE -DVERSION="$(VERSION)" -I. -D_USE_MATH_DEFINES
 ifeq (,$(PKG_CONFIG))
 SDL_CFLAGS := $(shell sdl2-config --cflags)
 SDL_LDFLAGS := $(shell sdl2-config --libs)