diff --git a/src/RingBuffer.cpp b/src/RingBuffer.cpp
index a688736..7012910 100644
--- a/src/RingBuffer.cpp
+++ b/src/RingBuffer.cpp
@@ -48,7 +48,7 @@ void RingBuffer::initialize(size_t slot_size)
     #endif
 }
 
-void RingBuffer::write(FrameMetadata &frame_metadata, char* data)
+void RingBuffer::write(FrameMetadata &frame_metadata, const char* data)
 {
     // Initialize the buffer on the first write.
     if (!ring_buffer_initialized) {
diff --git a/src/RingBuffer.hpp b/src/RingBuffer.hpp
index f1cd909..f0b125a 100644
--- a/src/RingBuffer.hpp
+++ b/src/RingBuffer.hpp
@@ -55,7 +55,7 @@ class RingBuffer
         virtual ~RingBuffer();
         void initialize(size_t slot_size);
         
-        void write(FrameMetadata &metadata, char* data);
+        void write(FrameMetadata &metadata, const char* data);
         std::pair<FrameMetadata, char*> read();
         void release(size_t buffer_slot_index);
         bool is_empty();