diff --git a/images/benchmark-passmark/Dockerfile b/images/benchmark-passmark/Dockerfile
index 430f7da..9f63805 100644
--- a/images/benchmark-passmark/Dockerfile
+++ b/images/benchmark-passmark/Dockerfile
@@ -37,6 +37,7 @@ RUN if [ "$(dpkg --print-architecture)" = "arm64" ]; then \
 
 RUN chmod +x /usr/local/bin/pt_linux
 
+ADD passmark.sh /usr/local/bin/passmark.sh
 # PassMark expects a terminal
 ENV TERM=xterm
-CMD ["bash", "-c", "nice -n -20 /usr/local/bin/pt_linux -r 3 1>&2; cat results_all.yml"]
+CMD /usr/local/bin/passmark.sh
diff --git a/images/benchmark-passmark/passmark.sh b/images/benchmark-passmark/passmark.sh
new file mode 100755
index 0000000..36a7b90
--- /dev/null
+++ b/images/benchmark-passmark/passmark.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+available_memory=$(LC_ALL=C free -m | awk '/^Mem:/ {print $7}')
+
+# on small-mem machines run the CPU suite only
+# -r, -R enum enable autorun, enum values are:
+# 1 - CPU Suite only
+# 2 - Memory Suite only
+# 3 - All Suites
+if [ "$available_memory" -lt 512 ]; then
+    nice -n -20 /usr/local/bin/pt_linux -r 1 1>&2; cat results_cpu.yml
+else
+    nice -n -20 /usr/local/bin/pt_linux -r 3 1>&2; cat results_all.yml
+fi