1 files changed, 2 insertions, 2 deletions
diff --git a/ggml.h b/ggml.h
index 48b6cc02..c7e6814a 100644
--- a/ggml.h
+++ b/ggml.h
@@ -745,8 +745,8 @@ enum ggml_opt_result ggml_opt(
 // quantization
 //
 
-size_t ggml_quantize_q4_0(float * src, void * dst, int n, int k, int qk, int64_t * hist);
-size_t ggml_quantize_q4_1(float * src, void * dst, int n, int k, int qk, int64_t * hist);
+size_t ggml_quantize_q4_0(const float * src, void * dst, int n, int k, int qk, int64_t * hist);
+size_t ggml_quantize_q4_1(const float * src, void * dst, int n, int k, int qk, int64_t * hist);
 
 //
 // system info