diff --git a/gui/Android.mk b/gui/Android.mk
index 479bc76..15a27a2 100644
--- a/gui/Android.mk
+++ b/gui/Android.mk
@@ -81,6 +81,11 @@
 	endif
 endif
 
+# Auto filled build flag
+ifeq ($(PLATFORM_VERSION), 5.0)
+    LOCAL_CFLAGS += -DANDROID_VERSION=5
+endif
+
 LOCAL_C_INCLUDES += bionic external/stlport/stlport $(commands_recovery_local_path)/gui/devices/$(DEVICE_RESOLUTION)
 
 include $(BUILD_STATIC_LIBRARY)
diff --git a/gui/pages.cpp b/gui/pages.cpp
index bea39e9..b110e38 100644
--- a/gui/pages.cpp
+++ b/gui/pages.cpp
@@ -39,8 +39,13 @@
 extern "C" {
 #include "../twcommon.h"
 #include "../minuitwrp/minui.h"
+#if (ANDROID_VERSION >= 5)
 #include "../minzip/SysUtil.h"
 #include "../minzip/Zip.h"
+#else
+#include "../minzipold/SysUtil.h"
+#include "../minzipold/Zip.h"
+#endif
 }
 
 #include "rapidxml.hpp"
@@ -921,7 +926,9 @@
 	char* xmlFile = NULL;
 	PageSet* pageSet = NULL;
 	int ret;
+#if (ANDROID_VERSION >= 5)
 	MemMapping map;
+#endif
 
 	// Open the XML file
 	LOGINFO("Loading package: %s (%s)\n", name.c_str(), package.c_str());
@@ -948,6 +955,7 @@
 	else
 	{
 		LOGINFO("Loading zip theme\n");
+#if (ANDROID_VERSION >= 5)
 		if (!TWFunc::Path_Exists(package))
 			return -1;
 		if (sysMapFile(package.c_str(), &map) != 0) {
@@ -959,6 +967,12 @@
 			sysReleaseMap(&map);
 			return -1;
 		}
+#else
+		if (mzOpenZipArchive(package.c_str(), &zip)) {
+			LOGERR("Failed to open theme zip.\n");
+			return -1;
+		}
+#endif
 		pZip = &zip;
 		const ZipEntry* ui_xml = mzFindZipEntry(&zip, "ui.xml");
 		if (ui_xml == NULL)
@@ -1006,7 +1020,9 @@
 
 	if (pZip) {
 		mzCloseZipArchive(pZip);
+#if (ANDROID_VERSION >= 5)
 		sysReleaseMap(&map);
+#endif
 	}
 	return ret;
 
@@ -1014,7 +1030,9 @@
 	LOGERR("An internal error has occurred.\n");
 	if (pZip) {
 		mzCloseZipArchive(pZip);
+#if (ANDROID_VERSION >= 5)
 		sysReleaseMap(&map);
+#endif
 	}
 	if (xmlFile)
 		free(xmlFile);