diff --git a/source/toy_value.c b/source/toy_value.c
index ae6121b..f884106 100644
--- a/source/toy_value.c
+++ b/source/toy_value.c
@@ -194,6 +194,14 @@ bool Toy_checkValueIsTruthy(Toy_Value value) {
 		return value.as.boolean;
 	}
 
+	if (value.type == TOY_VALUE_INTEGER) {
+		return value.as.integer != 0;
+	}
+
+	if (value.type == TOY_VALUE_FLOAT) {
+		return value.as.number != 0.0f;
+	}
+
 	//anything else is truthy
 	return true;
 }
diff --git a/source/toy_vm.c b/source/toy_vm.c
index 3825bc7..c372563 100644
--- a/source/toy_vm.c
+++ b/source/toy_vm.c
@@ -203,6 +203,11 @@ static void processDeclare(Toy_VM* vm) {
 	//get the value
 	Toy_Value value = Toy_popStack(&vm->stack);
 
+	//BUGFIX: only allowable type coersion
+	if (type == TOY_VALUE_FLOAT && value.type == TOY_VALUE_INTEGER) {
+		value = TOY_VALUE_FROM_FLOAT( (float)TOY_VALUE_AS_INTEGER(value) );
+	}
+
 	//declare it
 	Toy_declareScope(vm->scope, name, value);
 
@@ -223,6 +228,11 @@ static void processAssign(Toy_VM* vm) {
 		return;
 	}
 
+	//BUGFIX: only allowable type coersion
+	if (TOY_VALUE_AS_STRING(name)->name.varType == TOY_VALUE_FLOAT && value.type == TOY_VALUE_INTEGER) {
+		value = TOY_VALUE_FROM_FLOAT( (float)TOY_VALUE_AS_INTEGER(value) );
+	}
+
 	//assign it
 	Toy_assignScope(vm->scope, TOY_VALUE_AS_STRING(name), value); //scope now owns the value, doesn't need to be freed
 
diff --git a/tests/integrations/test_truthiness.toy b/tests/integrations/test_truthiness.toy
new file mode 100644
index 0000000..9703aed
--- /dev/null
+++ b/tests/integrations/test_truthiness.toy
@@ -0,0 +1,80 @@
+//booleans
+{
+	var value = true;
+
+	if (value) {
+		print "correct";
+	}
+	else {
+		assert false;
+	}
+}
+
+{
+	var value = false;
+
+	if (value) {
+		assert false;
+	}
+	else {
+		print "correct";
+	}
+}
+
+//integers
+{
+	var value: int = 42;
+
+	if (value) {
+		print "correct";
+	}
+	else {
+		assert false;
+	}
+}
+
+{
+	var value: int = 0;
+
+	if (value) {
+		assert false;
+	}
+	else {
+		print "correct";
+	}
+}
+
+//floats
+{
+	var value: float = 42.8891;
+
+	if (value) {
+		print "correct";
+	}
+	else {
+		assert false;
+	}
+}
+
+{
+	var value: float = 0;
+
+	if (value) {
+		assert false;
+	}
+	else {
+		print "correct";
+	}
+}
+
+//everything else
+{
+	var value: string = "foobar";
+
+	if (value) {
+		print "correct";
+	}
+	else {
+		assert false;
+	}
+}
\ No newline at end of file