diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index d2a47ee7f85..9db6ed95c79 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -397,7 +397,7 @@ jobs:
               for FLAVOR in ${FLAVORS}; do
                 echo "::group::{TYPE=$TYPE FLAVOR=$FLAVOR}"
                 docker run otp \
-                  "if [ ${TYPE} = \"valgrind\" ]; then sudo apt-get install -y valgrind; fi && \
+                  "if [ ${TYPE} = \"valgrind\" ]; then sudo apt-get install -y valgrind bc; fi && \
                    make TYPE=$TYPE FLAVOR=$FLAVOR && \
                    cerl -$TYPE -emu_flavor $FLAVOR -noshell -s init stop"
                 echo "::endgroup::"
@@ -416,10 +416,10 @@ jobs:
                  make && make TYPE=debug &&
                  cerl -noshell -s init stop && cerl -debug -noshell -s init stop'
 
-      - name: Run Erlang with various start options
+      - name: Start Erlang with various start options
         run: |
             OPTIONS=("+JPperf true" "+JMsingle true" "+JDdump true")
-            for OPTION in ${OPTIONS[@]}; do
+            for OPTION in "${OPTIONS[@]}""; do
                 docker run otp "erl ${OPTION} -noshell -s init stop"
             done