diff --git a/bindings/ruby/ext/ruby_whisper.h b/bindings/ruby/ext/ruby_whisper.h
index 29ce6c47c..10e906749 100644
--- a/bindings/ruby/ext/ruby_whisper.h
+++ b/bindings/ruby/ext/ruby_whisper.h
@@ -110,6 +110,14 @@ typedef struct {
   int n_samples;
 } ruby_whisper_full_args;
 
+typedef struct ruby_whisper_full_parallel_args {
+  VALUE *context;
+  VALUE *params;
+  float *samples;
+  int n_samples;
+  int n_processors;
+} ruby_whisper_full_parallel_args;
+
 typedef struct {
   struct parakeet_full_params params;
   ruby_whisper_callback_container *new_segment_callback_container;
diff --git a/bindings/ruby/ext/ruby_whisper_context.c b/bindings/ruby/ext/ruby_whisper_context.c
index 2335741c3..9e5fc33e7 100644
--- a/bindings/ruby/ext/ruby_whisper_context.c
+++ b/bindings/ruby/ext/ruby_whisper_context.c
@@ -38,14 +38,6 @@ typedef struct fill_samples_args {
   int n_samples;
 } fill_samples_args;
 
-typedef struct full_parallel_args {
-  VALUE *context;
-  VALUE *params;
-  float *samples;
-  int n_samples;
-  int n_processors;
-} full_parallel_args;
-
 typedef struct full_without_gvl_args {
   struct whisper_context *context;
   struct whisper_full_params *params;
@@ -549,10 +541,10 @@ full_parallel_without_gvl(void *rb_args)
   return NULL;
 }
 
-static VALUE
+VALUE
 full_parallel_body(VALUE rb_args)
 {
-  full_parallel_args *args = (full_parallel_args *)rb_args;
+  ruby_whisper_full_parallel_args *args = (ruby_whisper_full_parallel_args *)rb_args;
 
   ruby_whisper *rw;
   ruby_whisper_params *rwp;
@@ -614,7 +606,7 @@ ruby_whisper_full_parallel(int argc, VALUE *argv,VALUE self)
     break;
   }
   struct parsed_samples_t parsed = parse_samples(&argv[1], &n_samples);
-  const full_parallel_args args = {
+  const ruby_whisper_full_parallel_args args = {
     &self,
     &argv[0],
     parsed.samples,
diff --git a/bindings/ruby/ext/ruby_whisper_transcribe.cpp b/bindings/ruby/ext/ruby_whisper_transcribe.cpp
index ecd27d3a3..d511953d1 100644
--- a/bindings/ruby/ext/ruby_whisper_transcribe.cpp
+++ b/bindings/ruby/ext/ruby_whisper_transcribe.cpp
@@ -17,6 +17,7 @@ extern ID transcribe_option_names[1];
 
 extern void prepare_transcription(ruby_whisper_params * rwp, VALUE * self, int n_processors);
 extern VALUE full_body(VALUE rb_args);
+extern VALUE full_parallel_body(VALUE rb_args);
 
 typedef struct{
   struct whisper_context *context;
@@ -80,14 +81,36 @@ ruby_whisper_transcribe(int argc, VALUE *argv, VALUE self) {
     fprintf(stderr, "error: failed to open '%s' as WAV file\n", fname_inp.c_str());
     return self;
   }
+/*
+ * 
+ typedef struct full_parallel_args {
+   VALUE *context;
+   VALUE *params;
+   float *samples;
+   int n_samples;
+   int n_processors;
+ } full_parallel_args;
 
-  ruby_whisper_full_args args = {
-    &self,
-    &params,
-    pcmf32.data(),
-    (int)pcmf32.size(),
-  };
-  VALUE rb_result = full_body((VALUE)&args);
+ */
+  VALUE rb_result;
+  if (n_processors == 1) {
+    ruby_whisper_full_args args = {
+      &self,
+      &params,
+      pcmf32.data(),
+      (int)pcmf32.size(),
+    };
+    rb_result = full_body((VALUE)&args);
+  } else {
+    ruby_whisper_full_parallel_args parallel_args = {
+      &self,
+      &params,
+      pcmf32.data(),
+      (int)pcmf32.size(),
+      n_processors,
+    };
+    rb_result = full_parallel_body((VALUE)&parallel_args);
+  }
   const int result = NUM2INT(rb_result);
   if (result != 0) {
     fprintf(stderr, "failed to process audio\n");