diff --git a/jenkins/build-opm-upscaling.sh b/jenkins/build-opm-upscaling.sh
index 225e264..9881315 100755
--- a/jenkins/build-opm-upscaling.sh
+++ b/jenkins/build-opm-upscaling.sh
@@ -38,25 +38,7 @@ function build_opm_upscaling {
   test $? -eq 0 || exit 1
   popd
 
-  # Build opm-parser
-  clone_and_build_module opm-parser "-DCMAKE_PREFIX_PATH=$WORKSPACE/serial/install -DCMAKE_INSTALL_PREFIX=$WORKSPACE/serial/install" $OPM_PARSER_REVISION $WORKSPACE/serial
-  test $? -eq 0 || exit 1
-
-  # Build opm-material
-  clone_and_build_module opm-material "-DCMAKE_PREFIX_PATH=$WORKSPACE/serial/install -DCMAKE_INSTALL_PREFIX=$WORKSPACE/serial/install" $OPM_MATERIAL_REVISION $WORKSPACE/serial
-  test $? -eq 0 || exit 1
-
-  # Build opm-core
-  clone_and_build_module opm-core "-DCMAKE_PREFIX_PATH=$WORKSPACE/serial/install -DCMAKE_INSTALL_PREFIX=$WORKSPACE/serial/install" $OPM_CORE_REVISION $WORKSPACE/serial
-  test $? -eq 0 || exit 1
-
-  # Build opm-grid
-  clone_and_build_module opm-grid "-DCMAKE_PREFIX_PATH=$WORKSPACE/serial/install -DCMAKE_INSTALL_PREFIX=$WORKSPACE/serial/install" $OPM_GRID_REVISION $WORKSPACE/serial
-  test $? -eq 0 || exit 1
-
-  # Build opm-output
-  clone_and_build_module opm-output "-DCMAKE_PREFIX_PATH=$WORKSPACE/serial/install -DCMAKE_INSTALL_PREFIX=$WORKSPACE/serial/install" $OPM_OUTPUT_REVISION $WORKSPACE/serial
-  test $? -eq 0 || exit 1
+  build_upstreams
 
   # Build opm-upscaling
   pushd .
diff --git a/jenkins/build-pr.sh b/jenkins/build-pr.sh
index 4d72f8e..e3c3c91 100755
--- a/jenkins/build-pr.sh
+++ b/jenkins/build-pr.sh
@@ -2,14 +2,22 @@
 
 source `dirname $0`/build-opm-upscaling.sh
 
+declare -a upstreams
+upstreams=(opm-parser
+           opm-material
+           opm-core
+           opm-grid
+           opm-output)
+
+declare -A upstreamRev
+upstreamRev[opm-parser]=master
+upstreamRev[opm-material]=master
+upstreamRev[opm-core]=master
+upstreamRev[opm-grid]=master
+upstreamRev[opm-output]=master
+
 ERT_REVISION=master
 OPM_COMMON_REVISION=master
-OPM_PARSER_REVISION=master
-OPM_MATERIAL_REVISION=master
-OPM_CORE_REVISION=master
-OPM_GRID_REVISION=master
-OPM_OUTPUT_REVISION=master
-OPM_UPSCALING_REVISION=$sha1
 
 if grep -q "ert=" <<< $ghprbCommentBody
 then
@@ -21,32 +29,15 @@ then
   OPM_COMMON_REVISION=pull/`echo $ghprbCommentBody | sed -r 's/.*opm-common=([0-9]+).*/\1/g'`/merge
 fi
 
-if grep -q "opm-parser=" <<< $ghprbCommentBody
-then
-  OPM_PARSER_REVISION=pull/`echo $ghprbCommentBody | sed -r 's/.*opm-parser=([0-9]+).*/\1/g'`/merge
-fi
+for upstream in $upstreams
+do
+  if grep -q "$upstream=" <<< $ghprbCommentBody
+  then
+    upstreamRev[$upstream]=pull/`echo $ghprbCommentBody | sed -r "s/.*$upstream=([0-9]+).*/\1/g"`/merge
+  fi
+done
 
-if grep -q "opm-material=" <<< $ghprbCommentBody
-then
-  OPM_MATERIAL_REVISION=pull/`echo $ghprbCommentBody | sed -r 's/.*opm-material=([0-9]+).*/\1/g'`/merge
-fi
-
-if grep -q "opm-core=" <<< $ghprbCommentBody
-then
-  OPM_CORE_REVISION=pull/`echo $ghprbCommentBody | sed -r 's/.*opm-core=([0-9]+).*/\1/g'`/merge
-fi
-
-if grep -q "opm-grid=" <<< $ghprbCommentBody
-then
-  OPM_GRID_REVISION=pull/`echo $ghprbCommentBody | sed -r 's/.*opm-grid=([0-9]+).*/\1/g'`/merge
-fi
-
-if grep -q "opm-output=" <<< $ghprbCommentBody
-then
-  OPM_OUTPUT_REVISION=pull/`echo $ghprbCommentBody | sed -r 's/.*opm-output=([0-9]+).*/\1/g'`/merge
-fi
-
-echo "Building with ert=$ERT_REVSIION opm-common=$OPM_COMMON_REVISION opm-parser=$OPM_PARSER_REVISION opm-material=$OPM_MATERIAL_REVISION opm-core=$OPM_CORE_REVISION opm-grid=$OPM_GRID_REVISION opm-output=$OPM_OUTPUT_REVISION opm-upscaling=$OPM_UPSCALING_REVISION"
+echo "Building with ert=$ERT_REVISION opm-common=$OPM_COMMON_REVISION opm-parser=${upstreamRev[opm-parser]} opm-material=${upstreamRev[opm-material]} opm-core=${upstreamRev[opm-core]} opm-grid=${upstreamRev[opm-grid]} opm-output=${upstreamRev[opm-output]} opm-upscaling=$sha1"
 
 build_opm_upscaling
 test $? -eq 0 || exit 1
diff --git a/jenkins/build.sh b/jenkins/build.sh
index 1ff2554..d4db9ba 100755
--- a/jenkins/build.sh
+++ b/jenkins/build.sh
@@ -2,13 +2,22 @@
 
 source `dirname $0`/build-opm-upscaling.sh
 
+declare -a upstreams
+upstreams=(opm-parser
+           opm-material
+           opm-core
+           opm-grid
+           opm-output)
+
+declare -A upstreamRev
+upstreamRev[opm-parser]=master
+upstreamRev[opm-material]=master
+upstreamRev[opm-core]=master
+upstreamRev[opm-grid]=master
+upstreamRev[opm-output]=master
+
 ERT_REVISION=master
 OPM_COMMON_REVISION=master
-OPM_PARSER_REVISION=master
-OPM_MATERIAL_REVISION=master
-OPM_CORE_REVISION=master
-OPM_GRID_REVISION=master
-OPM_OUTPUT_REVISION=master
 
 build_opm_upscaling
 test $? -eq 0 || exit 1