diff --git a/compiler/compiler.go b/compiler/compiler.go
index d91de7ff..5c4ad483 100644
--- a/compiler/compiler.go
+++ b/compiler/compiler.go
@@ -2559,7 +2559,7 @@ func (c *Compiler) parseConvert(typeFrom, typeTo types.Type, value llvm.Value, p
 			// Conversion between two integers.
 			if sizeFrom > sizeTo {
 				return c.builder.CreateTrunc(value, llvmTypeTo, ""), nil
-			} else if typeTo.Info()&types.IsUnsigned != 0 { // if unsigned
+			} else if typeFrom.Info()&types.IsUnsigned != 0 { // if unsigned
 				return c.builder.CreateZExt(value, llvmTypeTo, ""), nil
 			} else { // if signed
 				return c.builder.CreateSExt(value, llvmTypeTo, ""), nil
diff --git a/src/runtime/print.go b/src/runtime/print.go
index e0d6fc43..dd9f1dcb 100644
--- a/src/runtime/print.go
+++ b/src/runtime/print.go
@@ -39,7 +39,7 @@ func printuint16(n uint16) {
 	printuint32(uint32(n))
 }
 
-func printint16(n uint16) {
+func printint16(n int16) {
 	printint32(int32(n))
 }