diff --git a/Makefile b/Makefile
index 22496d41ab..e6e1f6d936 100644
--- a/Makefile
+++ b/Makefile
@@ -518,6 +518,7 @@ ifdef OSX
 	ifdef JAGUAR
 		# ensure that changing libpathnames will not overwrite anything in the binary
 		LDFLAGS += -headerpad_max_install_names
+		CFLAGS += -DJAGUAR_CROSSCOMPILE
 	endif
 
 	ifndef DEDICATED
@@ -753,7 +754,9 @@ C_SOURCES += music/extmidi.c
 endif
 
 ifdef OSX
+ifndef JAGUAR
 OBJC_SOURCES += os/macosx/macos.m
+endif
 ifndef DEDICATED
 C_SOURCES    += music/qtmidi.c
 endif
diff --git a/os/macosx/Makefile.setup b/os/macosx/Makefile.setup
index 01c2813af0..9b8441856a 100644
--- a/os/macosx/Makefile.setup
+++ b/os/macosx/Makefile.setup
@@ -136,4 +136,6 @@ ifdef JAGUAR
 	WITH_NETWORK:=
 	# crosscompiling for jaguar should always be static
 	STATIC:=1
+	# libpng appears to break it too
+	WITH_PNG:=
 endif
\ No newline at end of file
diff --git a/stdafx.h b/stdafx.h
index 5318cc527f..99122348d1 100644
--- a/stdafx.h
+++ b/stdafx.h
@@ -9,7 +9,7 @@
 
 // MacOS X will use an NSAlert to display failed assertaions since they're lost unless running from a terminal
 // strgen always runs from terminal and don't need a window for asserts
-#if !defined(__APPLE__) || defined(STRGEN)
+#if !defined(__APPLE__) || defined(STRGEN) || defined(JAGUAR_CROSSCOMPILE)
 # include <assert.h>
 #else
 # include "os/macosx/macos.h"
diff --git a/unix.c b/unix.c
index fd20e37150..d5eaf02722 100644
--- a/unix.c
+++ b/unix.c
@@ -434,7 +434,7 @@ void ShowInfo(const char *str)
 
 void ShowOSErrorBox(const char *buf)
 {
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(JAGUAR_CROSSCOMPILE)
 	// this creates an NSAlertPanel with the contents of 'buf'
 	// this is the native and nicest way to do this on OSX
 	ShowMacDialog( buf, "See readme for more info\nMost likely you are missing files from the original TTD", "Quit" );