diff --git a/sources/jvxLibraries/jvx-signals/include/jvx_generator_wave_typedefs.h b/sources/jvxLibraries/jvx-signals/include/jvx_generator_wave_typedefs.h
index 15b8f744..6b1a4080 100644
--- a/sources/jvxLibraries/jvx-signals/include/jvx_generator_wave_typedefs.h
+++ b/sources/jvxLibraries/jvx-signals/include/jvx_generator_wave_typedefs.h
@@ -178,7 +178,7 @@ typedef struct
 typedef struct
 {
 	jvx_generator_wave_common_parameter_init common;
-	unsigned long seed;
+	jvxInt32 seed;
 } jvx_generator_wave_noise_parameter_init;
 
 typedef struct
diff --git a/sources/jvxLibraries/jvx-signals/src/jvx_generator_wave.c b/sources/jvxLibraries/jvx-signals/src/jvx_generator_wave.c
index a9dd01e7..590d6ea2 100644
--- a/sources/jvxLibraries/jvx-signals/src/jvx_generator_wave.c
+++ b/sources/jvxLibraries/jvx-signals/src/jvx_generator_wave.c
@@ -81,7 +81,7 @@ typedef struct
 	jvx_generator_wave_noise_parameter_runtime_async runtime_parameters_async_intern;
 	struct
 	{
-		long seed;
+		jvxInt32 seed;
 	} runtime;
 } jvx_generator_wave_noise_parameter_runtime_private;