diff --git a/src/api-impl-jni/android_content_res_AssetManager.c b/src/api-impl-jni/android_content_res_AssetManager.c
index e9ef4315..ea647d62 100644
--- a/src/api-impl-jni/android_content_res_AssetManager.c
+++ b/src/api-impl-jni/android_content_res_AssetManager.c
@@ -80,7 +80,7 @@ JNIEXPORT jint JNICALL Java_android_content_res_AssetManager_readAssetChar(JNIEn
 
 	struct Asset *asset = _PTR(_asset);
 	ret = Asset_read(asset, &byte, 1);
-	return (ret == 1) ? byte : ret;
+	return (ret == 1) ? byte : -1;
 }
 
 JNIEXPORT jlong JNICALL Java_android_content_res_AssetManager_seekAsset(JNIEnv *env, jobject this, jlong _asset, jlong offset, jint whence)
diff --git a/src/api-impl/android/content/res/AssetManager.java b/src/api-impl/android/content/res/AssetManager.java
index a0235174..e959e630 100644
--- a/src/api-impl/android/content/res/AssetManager.java
+++ b/src/api-impl/android/content/res/AssetManager.java
@@ -556,10 +556,10 @@ public final class AssetManager {
 			seekAsset(mAsset, mMarkPos, -1);
 		}
 		public final int read(byte[] b) throws IOException {
-			return readAsset(mAsset, b, 0, b.length);
+			return readAsset_internal(mAsset, b, 0, b.length);
 		}
 		public final int read(byte[] b, int off, int len) throws IOException {
-			return readAsset(mAsset, b, off, len);
+			return readAsset_internal(mAsset, b, off, len);
 		}
 		public final long skip(long n) throws IOException {
 			long pos = seekAsset(mAsset, 0, 0);
@@ -581,6 +581,15 @@ public final class AssetManager {
 		private long mMarkPos;
 	}
 
+	private int readAsset_internal(long asset, byte[] b, long offset, long length) throws IOException {
+		int ret = readAsset(asset, b, offset, length);
+		if(ret < 0)
+			throw new IOException();
+		if(ret == 0)
+			ret = -1;
+		return ret;
+	}
+
 	/**
 	 * Add an additional set of assets to the asset manager.  This can be
 	 * either a directory or ZIP file.  Not for use by applications.  Returns