diff --git a/jni/Android.mk b/jni/Android.mk
index e6a087556..6417e1e96 100644
--- a/jni/Android.mk
+++ b/jni/Android.mk
@@ -35,6 +35,7 @@ LOCAL_LDLIBS                  := -lz
 LOCAL_STATIC_LIBRARIES        := expat
 
 LOCAL_SRC_FILES               := \
+	NativeFormats/main.cpp \
 	NativeFormats/JavaNativeFormatPlugin.cpp \
 	NativeFormats/JavaPluginCollection.cpp \
 	NativeFormats/util/AndroidUtil.cpp \
diff --git a/jni/NativeFormats/main.cpp b/jni/NativeFormats/main.cpp
new file mode 100644
index 000000000..dd91021f4
--- /dev/null
+++ b/jni/NativeFormats/main.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2011-2012 Geometer Plus <contact@geometerplus.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <jni.h>
+
+#include <AndroidUtil.h>
+
+extern "C"
+JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved) {
+	AndroidUtil::init(jvm);
+	return JNI_VERSION_1_2;
+}
diff --git a/jni/NativeFormats/util/AndroidUtil.cpp b/jni/NativeFormats/util/AndroidUtil.cpp
index 148bb79bb..de4eb2aa8 100644
--- a/jni/NativeFormats/util/AndroidUtil.cpp
+++ b/jni/NativeFormats/util/AndroidUtil.cpp
@@ -66,7 +66,7 @@ JNIEnv *AndroidUtil::getEnv() {
 	return env;
 }
 
-#define CHECK_NULL(value) if ((value) == 0) { return false; }
+#define CHECK_NULL(value) if ((value) == 0) { throwRuntimeException(env, #value); }
 
 bool AndroidUtil::init(JavaVM* jvm) {
 	ourJavaVM = jvm;
@@ -167,3 +167,8 @@ std::string AndroidUtil::convertNonUtfString(const std::string &str) {
 
 	return result;
 }
+
+void AndroidUtil::throwRuntimeException(JNIEnv *env, const std::string &message) {
+	jclass cls = env->FindClass("java/lang/RuntimeException");
+	env->ThrowNew(cls, message.c_str());
+}
diff --git a/jni/NativeFormats/util/AndroidUtil.h b/jni/NativeFormats/util/AndroidUtil.h
index cafcfc676..d05f636cf 100644
--- a/jni/NativeFormats/util/AndroidUtil.h
+++ b/jni/NativeFormats/util/AndroidUtil.h
@@ -77,6 +77,8 @@ public:
 	static bool extractJavaString(JNIEnv *env, jstring from, std::string &to);
 	static jstring createJavaString(JNIEnv* env, const std::string &str);
 	static std::string convertNonUtfString(const std::string &str);
+
+	static void throwRuntimeException(JNIEnv *env, const std::string &message);
 };
 
 #endif /* __ANDROIDUTIL_H__ */
diff --git a/project.properties b/project.properties
index 3aa40afdc..c4a39de92 100644
--- a/project.properties
+++ b/project.properties
@@ -8,6 +8,6 @@
 # project structure.
 
 java.encoding=utf-8
-proguard.config=proguard.cfg
+#proguard.config=proguard.cfg
 # Project target.
 target=android-8