diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TMath.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TMath.java
index 016b67253..b64d4305b 100644
--- a/teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TMath.java
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TMath.java
@@ -93,7 +93,7 @@ public final class TMath extends TObject {
     public static native double atan2(double y, double x);
 
     public static int round(float a) {
-        return (int)(a + 1.5f);
+        return (int)(a + 0.5f);
     }
 
     public static long round(double a) {
diff --git a/teavm-core/src/main/java/org/teavm/parsing/ProgramParser.java b/teavm-core/src/main/java/org/teavm/parsing/ProgramParser.java
index 123619605..c4205da2d 100644
--- a/teavm-core/src/main/java/org/teavm/parsing/ProgramParser.java
+++ b/teavm-core/src/main/java/org/teavm/parsing/ProgramParser.java
@@ -485,7 +485,12 @@ public class ProgramParser implements VariableDebugInformation {
         }
 
         @Override
-        public void visitMethodInsn(int opcode, String owner, String name, String desc) {
+        public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
+            throw new IllegalStateException("InvokeDynamic is not supported in TeaVM");
+        }
+
+        @Override
+        public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
             switch (opcode) {
                 case Opcodes.INVOKEINTERFACE:
                 case Opcodes.INVOKEVIRTUAL:
diff --git a/teavm-core/src/main/resources/org/teavm/javascript/runtime.js b/teavm-core/src/main/resources/org/teavm/javascript/runtime.js
index 142d1cc95..759869cbb 100644
--- a/teavm-core/src/main/resources/org/teavm/javascript/runtime.js
+++ b/teavm-core/src/main/resources/org/teavm/javascript/runtime.js
@@ -250,6 +250,14 @@ function $rt_createByteMultiArray(dimensions) {
     }
     return $rt_createMultiArrayImpl($rt_bytecls(), arrays, dimensions);
 }
+function $rt_createCharMultiArray(dimensions) {
+    var arrays = new Array($rt_primitiveArrayCount(dimensions));
+    var firstDim = dimensions[0] | 0;
+    for (var i = 0 | 0; i < arrays.length; i = (i + 1) | 0) {
+        arrays[i] = $rt_createCharArray(firstDim);
+    }
+    return $rt_createMultiArrayImpl($rt_charcls(), arrays, dimensions);
+}
 function $rt_createBooleanMultiArray(dimensions) {
     var arrays = new Array($rt_primitiveArrayCount(dimensions));
     var firstDim = dimensions[0] | 0;