diff --git a/src/libbz3.c b/src/libbz3.c
index 0d7a661..edba06c 100644
--- a/src/libbz3.c
+++ b/src/libbz3.c
@@ -991,6 +991,8 @@ BZIP3_API int bz3_decompress(const uint8_t * in, uint8_t * out, size_t in_size,
     }
 
     bz3_free(state);
+    free(compression_buf);
+
     return BZ3_OK;
 }