diff --git a/for_build/annote_and_1tree/Dockerfile b/for_build/annote_and_1tree/Dockerfile
index b57e7eade2d95e5a5ea3c666f09280e4d300a9c0..216d1139418424053831b2405a8940a4c28036ba 100644
--- a/for_build/annote_and_1tree/Dockerfile
+++ b/for_build/annote_and_1tree/Dockerfile
@@ -22,6 +22,11 @@ RUN wget ftp://ftp.ncbi.nlm.nih.gov/blast/executables/blast+/2.10.1/ncbi-blast-2
     rm ncbi-blast-2.10.1+-x64-linux.tar.gz
 
 
+# install tbl2asn (used by prokka)
+RUN wget -O tbl2asn.gz ftp://ftp.ncbi.nih.gov/toolbox/ncbi_tools/converters/by_program/tbl2asn/linux.tbl2asn.gz &&\
+    gunzip tbl2asn.gz &&\
+    chmod +x tbl2asn &&\
+    ln -s /install_dir/tbl2asn /usr/local/bin
 # Install dependencies for prokka:
 WORKDIR /install_dir
 RUN DEBIAN_FRONTEND="noninteractive" apt install -y\
@@ -35,11 +40,6 @@ RUN DEBIAN_FRONTEND="noninteractive" apt install -y\
 RUN echo yes | cpan Bio::SearchIO::hmmer
 # Install bioperl
 RUN echo yes | cpan Bio::Perl
-# install tbl2asn
-RUN wget -O tbl2asn.gz ftp://ftp.ncbi.nih.gov/toolbox/ncbi_tools/converters/by_program/tbl2asn/linux.tbl2asn.gz &&\
-    gunzip tbl2asn.gz &&\
-    chmod +x tbl2asn &&\
-    ln -s /install_dir/tbl2asn /usr/local/bin
 
 # Install prokka
 RUN git clone https://github.com/tseemann/prokka.git
diff --git a/for_tests/Dockerfile b/for_tests/Dockerfile
index a578332ea2d9c13da8a5ce6ed290d8e53bf38173..2609fed5ed556ecd9f50985014701018817426f5 100644
--- a/for_tests/Dockerfile
+++ b/for_tests/Dockerfile
@@ -54,6 +54,11 @@ RUN make &&\
     make install
 
 
+# install tbl2asn (used by prokka)
+RUN wget -O tbl2asn.gz ftp://ftp.ncbi.nih.gov/toolbox/ncbi_tools/converters/by_program/tbl2asn/linux.tbl2asn.gz &&\
+    gunzip tbl2asn.gz &&\
+    chmod +x tbl2asn &&\
+    ln -s /install_dir/tbl2asn /usr/local/bin
 # Install dependencies for prokka:
 WORKDIR /install_dir
 RUN DEBIAN_FRONTEND="noninteractive" apt install -y\
@@ -67,11 +72,6 @@ RUN DEBIAN_FRONTEND="noninteractive" apt install -y\
 RUN echo yes | cpan Bio::SearchIO::hmmer
 # Install bioperl
 RUN echo yes | cpan Bio::Perl
-# install tbl2asn
-RUN wget -O tbl2asn.gz ftp://ftp.ncbi.nih.gov/toolbox/ncbi_tools/converters/by_program/tbl2asn/linux.tbl2asn.gz &&\
-    gunzip tbl2asn.gz &&\
-    chmod +x tbl2asn &&\
-    ln -s /install_dir/tbl2asn /usr/local/bin
 
 # Install prokka
 RUN git clone https://github.com/tseemann/prokka.git