diff --git a/src/pulse/sample.c b/src/pulse/sample.c
index aafafc839..ffdeedf75 100644
--- a/src/pulse/sample.c
+++ b/src/pulse/sample.c
@@ -80,6 +80,7 @@ int pa_sample_spec_valid(const pa_sample_spec *spec) {
     assert(spec);
 
     if (spec->rate <= 0 ||
+        spec->rate > PA_RATE_MAX ||
         spec->channels <= 0 ||
         spec->channels > PA_CHANNELS_MAX ||
         spec->format >= PA_SAMPLE_MAX ||
diff --git a/src/pulse/sample.h b/src/pulse/sample.h
index 5e6036858..683167cc5 100644
--- a/src/pulse/sample.h
+++ b/src/pulse/sample.h
@@ -105,6 +105,9 @@ PA_C_DECL_BEGIN
 /** Maximum number of allowed channels */
 #define PA_CHANNELS_MAX 32
 
+/** Maximum allowed sample rate */
+#define PA_RATE_MAX (48000*4)
+
 /** Sample format */
 typedef enum pa_sample_format {
     PA_SAMPLE_U8,              /**< Unsigned 8 Bit PCM */