diff --git a/.shippable.yml b/.shippable.yml
index 7a649808482..bae0bd76f01 100644
--- a/.shippable.yml
+++ b/.shippable.yml
@@ -30,7 +30,7 @@ build:
       - export CCACHE_DIR=${SHIPPABLE_BUILD_DIR}/ccache/.ccache
       - >
         if [ "$IS_PULL_REQUEST" = "true" ]; then
-          ./scripts/ci/run_ci.sh -c -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS} -p;
+          ./scripts/ci/run_ci.sh -c -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS} -p ${PULL_REQUEST};
         else
           ./scripts/ci/run_ci.sh -c -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS};
         fi;
@@ -38,14 +38,14 @@ build:
     on_failure:
       - >
         if [ "$IS_PULL_REQUEST" = "true" ]; then
-          ./scripts/ci/run_ci.sh -f -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS} -p;
+          ./scripts/ci/run_ci.sh -f -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS} -p ${PULL_REQUEST};
         else
           ./scripts/ci/run_ci.sh -f -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS};
         fi;
     on_success:
       - >
         if [ "$IS_PULL_REQUEST" = "true" ]; then
-          ./scripts/ci/run_ci.sh -s -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS} -p;
+          ./scripts/ci/run_ci.sh -s -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS} -p ${PULL_REQUEST};
         else
           ./scripts/ci/run_ci.sh -s -b ${PULL_REQUEST_BASE_BRANCH} -r origin -m ${MATRIX_BUILD} -M ${MATRIX_BUILDS};
         fi;
diff --git a/scripts/ci/run_ci.sh b/scripts/ci/run_ci.sh
index e44f40183fb..2b0778f1850 100755
--- a/scripts/ci/run_ci.sh
+++ b/scripts/ci/run_ci.sh
@@ -32,7 +32,7 @@ BSIM_BT_TEST_RESULTS_FILE="./bsim_bt_out/bsim_results.xml"
 MATRIX_BUILDS=1
 MATRIX=1
 
-while getopts ":pm:b:r:M:cfsB:" opt; do
+while getopts ":p:m:b:r:M:cfsB:" opt; do
 	case $opt in
 		c)
 			echo "Execute CI" >&2
@@ -47,8 +47,8 @@ while getopts ":pm:b:r:M:cfsB:" opt; do
 			FAILURE=1
 			;;
 		p)
-			echo "Testing a Pull Request." >&2
-			PULL_REQUEST=1
+			echo "Testing a Pull Request: $OPTARG." >&2
+			PULL_REQUEST=$OPTARG
 			;;
 		m)
 			echo "Running on Matrix $OPTARG" >&2