diff --git a/CHANGES b/CHANGES
index 597ad82..0fa5778 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,14 @@ viktor Changelog
 
 Here you can see the full list of changes between each viktor release.
 
+Version 0.3.1
+-------------
+
+Bugfix release, released on June 27th 2016
+
+- Fixed loading native libraries from the JAR file.
+- Fixed error handling on unsupported architectures.
+
 Version 0.3.0
 -------------
 
diff --git a/README.md b/README.md
index a84a85e..da312ad 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ repositories {
 }
 
 dependencies {
-    compile 'org.jetbrains.bio:viktor:0.3.0'
+    compile 'org.jetbrains.bio:viktor:0.3.1'
 }
 
 ```
@@ -72,7 +72,7 @@ No extra configuration is required for running the tests from Gradle
 $ ./gradlew test
 ```
 
-However, you might need to alter `java.library.path` to run the tests from 
+However, you might need to alter `java.library.path` to run the tests from
 the IDE. The following Java command line option should work for IDEA
 
 ```bash
@@ -85,10 +85,10 @@ Publishing
 You can do it with a one-liner
 
 ```bash
-./gradlew clean assemble generatePomFileForMavenJavaPublication bintrayUpload 
+./gradlew clean assemble generatePomFileForMavenJavaPublication bintrayUpload
 ```
 
-Make sure to set Bintray credentials (see API key section 
+Make sure to set Bintray credentials (see API key section
 [here](https://bintray.com/profile/edit)) in `$HOME/.gradle/gradle.properties`.
 
 ```
diff --git a/gradle.properties b/gradle.properties
index 999312b..6787d7a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-version=0.3.0
+version=0.3.1
 
 org.gradle.configureondemand=true
 org.gradle.parallel=true
diff --git a/src/main/kotlin/org/jetbrains/bio/viktor/Loader.kt b/src/main/kotlin/org/jetbrains/bio/viktor/Loader.kt
index de4e450..823b3d3 100644
--- a/src/main/kotlin/org/jetbrains/bio/viktor/Loader.kt
+++ b/src/main/kotlin/org/jetbrains/bio/viktor/Loader.kt
@@ -8,7 +8,7 @@ class ResourceLibrary(private val name: String) {
     @Suppress("unchecked_cast")
     fun install() {
         val resource = System.mapLibraryName(name)
-        val inputStream = ResourceLibrary::class.java.getResourceAsStream(resource)
+        val inputStream = ResourceLibrary::class.java.getResourceAsStream("/$resource")
         if (inputStream != null) {
             val libraryPath = LIBRARY_DIR.resolve(resource)
             Files.copy(inputStream, libraryPath, REPLACE_EXISTING)
@@ -67,7 +67,7 @@ internal object Loader {
                     useNative = true
                 }
             }
-        } catch (e: Exception) {
+        } catch (e: UnsatisfiedLinkError) {
             System.err.println(listOf(
                     "Native SIMD optimization of vector operations is not available.",
                     "Fallback Kotlin implementation will be used instead.").joinToString("\n"))
diff --git a/src/main/kotlin/org/jetbrains/bio/viktor/StridedVector.kt b/src/main/kotlin/org/jetbrains/bio/viktor/StridedVector.kt
index 209cbc9..f1e2a41 100644
--- a/src/main/kotlin/org/jetbrains/bio/viktor/StridedVector.kt
+++ b/src/main/kotlin/org/jetbrains/bio/viktor/StridedVector.kt
@@ -30,7 +30,7 @@ fun DoubleArray.asStrided(offset: Int = 0, size: Int = this.size): StridedVector
  *
  *     [1, 4]
  *
- * Vectors with `stride` equal to 1 are caled called *dense*. The
+ * Vectors with `stride` equal to 1 are called called *dense*. The
  * distinction is important because some of the operations can be
  * significantly optimized for dense vectors.
  *