diff --git a/projects/unrar/Dockerfile b/projects/unrar/Dockerfile
index f7d78c0e3..cc61b2698 100644
--- a/projects/unrar/Dockerfile
+++ b/projects/unrar/Dockerfile
@@ -18,7 +18,7 @@ FROM gcr.io/oss-fuzz-base/base-builder
 MAINTAINER vakh@chromium.org
 RUN apt-get update && apt-get install -y make build-essential
 
-RUN git clone -b v5.6.8 --depth 1 https://github.com/aawc/unrar.git
+RUN git clone -b oss_fuzz --depth 1 https://github.com/aawc/unrar.git
 WORKDIR unrar
 
 COPY build.sh $SRC/
diff --git a/projects/unrar/build.sh b/projects/unrar/build.sh
index 3076f9586..c9fdbf46b 100644
--- a/projects/unrar/build.sh
+++ b/projects/unrar/build.sh
@@ -15,7 +15,7 @@
 #
 ################################################################################
 
-UNRAR_DEFINES="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DRAR_SMP -DRARDLL -DSILENT"
+UNRAR_DEFINES="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DRAR_SMP -DRARDLL -DSILENT -DNOVOLUME"
 UNRAR_WNOS="-Wno-logical-op-parentheses -Wno-switch -Wno-dangling-else"
 UNRAR_SRC_DIR="$SRC/unrar"