diff --git a/Cargo.lock b/Cargo.lock
index 32a5536..be4d301 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1166,7 +1166,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "scavenger"
-version = "1.7.4"
+version = "1.7.5"
 dependencies = [
  "aligned_alloc 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 754aae6..a525d6d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "scavenger"
-version = "1.7.4"
+version = "1.7.5"
 license = "GPL-3.0"
 authors = ["PoC Consortium <bots@cryptoguru.org>"]
 description = """
diff --git a/src/reader.rs b/src/reader.rs
index 95d95b5..0c667f5 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -206,6 +206,7 @@ impl Reader {
                                 "reader: error reading chunk from {}: {} -> skip one round",
                                 p.meta.name, e
                             );
+                            buffer.unmap();
                             (0, 0, true)
                         }
                     };