1 files changed, 2 insertions, 0 deletions
diff --git a/src/main/java/org/shedlang/compiler/ShedCompiler.java b/src/main/java/org/shedlang/compiler/ShedCompiler.java
index bf26436e..d727aea5 100644
--- a/src/main/java/org/shedlang/compiler/ShedCompiler.java
+++ b/src/main/java/org/shedlang/compiler/ShedCompiler.java
@@ -42,6 +42,7 @@ public class ShedCompiler {
                 Map.entry("print", new FunctionType(
                     List.of(Types.STRING),
                     List.of(),
+                    Effects.IO,
                     Types.UNIT
                 ))
             ))
@@ -52,6 +53,7 @@ public class ShedCompiler {
                 Map.entry("print", new FunctionType(
                     List.of(Types.STRING),
                     List.of(),
+                    Effects.IO,
                     Types.UNIT
                 ))
             ));