diff --git a/src/processor/opcodes.rs b/src/processor/opcodes.rs
index 1d423a1..e8d3ff2 100644
--- a/src/processor/opcodes.rs
+++ b/src/processor/opcodes.rs
@@ -1155,7 +1155,7 @@ impl CPU {
                 3
             }
             0xF1 => {
-                self.reg.af = self.pop_word() & 0xF0;
+                self.reg.af = self.pop_word();
                 3
             }
             0xF2 => {