diff --git a/tests/compat.sh b/tests/compat.sh
index 20f2dbd..073258e 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -96,6 +96,7 @@
 EXCLUDE='NULL\|ARIA\|CHACHA20_POLY1305'
 VERBOSE=""
 MEMCHECK=0
+MIN_TESTS=1
 PRESERVE_LOGS=0
 PEERS="OpenSSL$PEER_GNUTLS mbedTLS"
 
@@ -116,6 +117,7 @@
     printf "  -M|--memcheck\tCheck memory leaks and errors.\n"
     printf "  -v|--verbose\tSet verbose output.\n"
     printf "     --list-test-cases\tList all potential test cases (No Execution)\n"
+    printf "     --min      \tMinimum number of non-skipped tests (default 1)\n"
     printf "     --outcome-file\tFile where test outcomes are written\n"
     printf "                   \t(default: \$MBEDTLS_TEST_OUTCOME_FILE, none if empty)\n"
     printf "     --preserve-logs\tPreserve logs of successful tests as well\n"
@@ -190,6 +192,9 @@
                 list_test_cases
                 exit $?
                 ;;
+            --min)
+                shift; MIN_TESTS=$1
+                ;;
             --outcome-file)
                 shift; MBEDTLS_TEST_OUTCOME_FILE=$1
                 ;;
@@ -1238,6 +1243,16 @@
 PASSED=$(( $TESTS - $FAILED ))
 echo " ($PASSED / $TESTS tests ($SKIPPED skipped$MEMREPORT))"
 
+if [ $((TESTS - SKIPPED)) -lt $MIN_TESTS ]; then
+    cat <<EOF
+Error: Expected to run at least $MIN_TESTS, but only ran $((TESTS - SKIPPED)).
+Maybe a bad filter ('$FILTER' excluding '$EXCLUDE') or a bad configuration?
+EOF
+    if [ $FAILED -eq 0 ]; then
+        FAILED=1
+    fi
+fi
+
 FAILED=$(( $FAILED + $SRVMEM ))
 if [ $FAILED -gt 255 ]; then
     # Clamp at 255 as caller gets exit code & 0xFF