diff --git a/Dockerfile b/Dockerfile
index edd0159..d9a5886 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,7 +68,7 @@ WORKDIR /root
 
 RUN set -e; \
   echo "Setting up prerequisites"; \
-  yum makecache && yum install -yy bash; \\
+  yum makecache && yum install -yy bash; \
   BASH_CMD="$(command -v bash 2>/dev/null|| true)"; \
   [ -x "$BASH_CMD" ] && { rm -rf "/bin/sh" || true; } && ln -sf "$BASH_CMD" "/bin/sh" || true; \
   [ -n "$BASH_CMD" ] && sed -i 's|root:x:.*|root:x:0:0:root:/root:'$BASH_CMD'|g' "/etc/passwd" || true
diff --git a/Dockerfile.8 b/Dockerfile.8
index 2b4b134..47c8436 100644
--- a/Dockerfile.8
+++ b/Dockerfile.8
@@ -68,7 +68,7 @@ WORKDIR /root
 
 RUN set -e; \
   echo "Setting up prerequisites"; \
-  yum makecache && yum install -yy bash; \\
+  yum makecache && yum install -yy bash; \
   BASH_CMD="$(command -v bash 2>/dev/null|| true)"; \
   [ -x "$BASH_CMD" ] && { rm -rf "/bin/sh" || true; } && ln -sf "$BASH_CMD" "/bin/sh" || true; \
   [ -n "$BASH_CMD" ] && sed -i 's|root:x:.*|root:x:0:0:root:/root:'$BASH_CMD'|g' "/etc/passwd" || true
diff --git a/Dockerfile.9 b/Dockerfile.9
index ad9cf44..0cbb86b 100644
--- a/Dockerfile.9
+++ b/Dockerfile.9
@@ -68,7 +68,7 @@ WORKDIR /root
 
 RUN set -e; \
   echo "Setting up prerequisites"; \
-  yum makecache && yum install -yy bash; \\
+  yum makecache && yum install -yy bash; \
   BASH_CMD="$(command -v bash 2>/dev/null|| true)"; \
   [ -x "$BASH_CMD" ] && { rm -rf "/bin/sh" || true; } && ln -sf "$BASH_CMD" "/bin/sh" || true; \
   [ -n "$BASH_CMD" ] && sed -i 's|root:x:.*|root:x:0:0:root:/root:'$BASH_CMD'|g' "/etc/passwd" || true