diff --git a/README.md b/README.md
index 58af6fc9ec..65286d3f55 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Inform 7
 
-v10.1.0-beta+6V08 'Krypton' (16 May 2022)
+v10.1.0-beta+6V09 'Krypton' (17 May 2022)
 
 ## About Inform 7
 
diff --git a/build.txt b/build.txt
index a662838b28..3f2b406230 100644
--- a/build.txt
+++ b/build.txt
@@ -1,3 +1,3 @@
 Prerelease: beta
-Build Date: 16 May 2022
-Build Number: 6V08
+Build Date: 17 May 2022
+Build Number: 6V09
diff --git a/inform7/imperative-module/Chapter 5/Compile Invocations Inline.w b/inform7/imperative-module/Chapter 5/Compile Invocations Inline.w
index 1e1d04b404..2ba7471e99 100644
--- a/inform7/imperative-module/Chapter 5/Compile Invocations Inline.w	
+++ b/inform7/imperative-module/Chapter 5/Compile Invocations Inline.w	
@@ -1274,7 +1274,7 @@ result would be the same without the optimisation.
 		EmitCode::inv(STORE_BIP);
 		EmitCode::down();
 			EmitCode::ref_iname(K_number, Hierarchy::find(SAY__N_HL));
-			CompileValues::to_code_val_of_kind(to_say, K);
+			CompileValues::to_code_val_of_kind(to_say, NULL);
 		EmitCode::up();
 	EmitCode::up();
 	return;
@@ -1289,7 +1289,7 @@ language.
 	EmitCode::inv(STORE_BIP);
 	EmitCode::down();
 		EmitCode::ref_iname(K_number, Hierarchy::find(UNICODE_TEMP_HL));
-		CompileValues::to_code_val_of_kind(to_say, K);
+		CompileValues::to_code_val_of_kind(to_say, NULL);
 	EmitCode::up();
 	if (TargetVMs::is_16_bit(Task::vm())) {
 		Produce::inv_assembly(Emit::tree(), I"@print_unicode");