diff --git a/beanstalkd/Dockerfile b/beanstalkd/Dockerfile
index 8638d18..d05c833 100644
--- a/beanstalkd/Dockerfile
+++ b/beanstalkd/Dockerfile
@@ -2,7 +2,7 @@ FROM debian:wheezy
 LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 EXPOSE 11300
 CMD ["beanstalkd", "-p", "11300"]
diff --git a/hugin/Dockerfile b/hugin/Dockerfile
index da41173..6b4c6b1 100644
--- a/hugin/Dockerfile
+++ b/hugin/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 ENV DEBIAN_FRONTEND noninteractive
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 VOLUME ["/source"]
 WORKDIR /source
diff --git a/jekyll/Dockerfile b/jekyll/Dockerfile
index 9579764..530d395 100644
--- a/jekyll/Dockerfile
+++ b/jekyll/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 ENV DEBIAN_FRONTEND noninteractive
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 EXPOSE 4000
 VOLUME ["/source"]
diff --git a/latex/Dockerfile b/latex/Dockerfile
index 8c77f9f..09379a6 100644
--- a/latex/Dockerfile
+++ b/latex/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 ENV DEBIAN_FRONTEND noninteractive
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 VOLUME ["/source"]
 WORKDIR /source
diff --git a/nodejs/Dockerfile b/nodejs/Dockerfile
index da41173..6b4c6b1 100644
--- a/nodejs/Dockerfile
+++ b/nodejs/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 ENV DEBIAN_FRONTEND noninteractive
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 VOLUME ["/source"]
 WORKDIR /source
diff --git a/octave/Dockerfile b/octave/Dockerfile
index 17f7563..b6b1e73 100644
--- a/octave/Dockerfile
+++ b/octave/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 ENV DEBIAN_FRONTEND noninteractive
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 VOLUME ["/source"]
 WORKDIR /source
diff --git a/redis-commander/Dockerfile b/redis-commander/Dockerfile
index c579150..4f597af 100644
--- a/redis-commander/Dockerfile
+++ b/redis-commander/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 ENV DEBIAN_FRONTEND noninteractive
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 EXPOSE 8081
 CMD bash -c 'redis-commander --redis-host $REDIS_PORT_6379_TCP_ADDR'
diff --git a/rust/Dockerfile b/rust/Dockerfile
index 3ec2f10..bdc2132 100644
--- a/rust/Dockerfile
+++ b/rust/Dockerfile
@@ -5,7 +5,7 @@ LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 ENV USER root
 
 ADD install.sh install.sh
-RUN chmod +x install.sh && sync && ./install.sh && rm install.sh
+RUN sh install.sh && rm install.sh
 
 VOLUME ["/source"]
 WORKDIR /source