diff --git a/IOIOLibCore/src/main/java/ioio/lib/impl/AnalogInputImpl.java b/IOIOLibCore/src/main/java/ioio/lib/impl/AnalogInputImpl.java
index dedc6e0f..1c501ad6 100644
--- a/IOIOLibCore/src/main/java/ioio/lib/impl/AnalogInputImpl.java
+++ b/IOIOLibCore/src/main/java/ioio/lib/impl/AnalogInputImpl.java
@@ -66,7 +66,9 @@ public float getReference() {
     @Override
     synchronized public void setValue(int value) {
         // Log.v("AnalogInputImpl", "Pin " + pinNum_ + " value is " + value);
-        assert (value >= 0 && value < 1024);
+        if (value < 0 || value >= 1024) {
+            throw new RuntimeException("value must be between 0 (inclusive) and 1024 (exclusive). A value of " + value + " was given.");
+        }
         value_ = value;
         ++sampleCount_;
         bufferPush((short) value);
diff --git a/IOIOLibCore/src/main/java/ioio/lib/impl/DigitalInputImpl.java b/IOIOLibCore/src/main/java/ioio/lib/impl/DigitalInputImpl.java
index 5f498acb..e84448b1 100644
--- a/IOIOLibCore/src/main/java/ioio/lib/impl/DigitalInputImpl.java
+++ b/IOIOLibCore/src/main/java/ioio/lib/impl/DigitalInputImpl.java
@@ -47,7 +47,9 @@ class DigitalInputImpl extends AbstractPin implements DigitalInput,
     @Override
     synchronized public void setValue(int value) {
         // Log.v("DigitalInputImpl", "Pin " + pinNum_ + " value is " + value);
-        assert (value == 0 || value == 1);
+        if (value != 0 && value != 1) {
+            throw new RuntimeException("value must be 0 or 1. A value of " + value + " was given.");
+        }
         value_ = (value == 1);
         if (!valid_) {
             valid_ = true;