diff --git a/container/compose.yml b/container/compose.yml
index fa2c53265..511267c98 100644
--- a/container/compose.yml
+++ b/container/compose.yml
@@ -80,8 +80,8 @@ services:
       KARAPACE_COMPATIBILITY: FULL
       KARAPACE_STATSD_HOST: statsd-exporter
       KARAPACE_STATSD_PORT: 8125
-      KARAPACE_KAFKA_SCHEMA_READER_STRICT_MODE: false
-      KARAPACE_KAFKA_RETRIABLE_ERRORS_SILENCED: true
+      KARAPACE_KAFKA_SCHEMA_READER_STRICT_MODE: "false"
+      KARAPACE_KAFKA_RETRIABLE_ERRORS_SILENCED: "true"
 
   karapace-rest:
     image: ghcr.io/aiven-open/karapace:develop
@@ -108,8 +108,8 @@ services:
       KARAPACE_LOG_LEVEL: WARNING
       KARAPACE_STATSD_HOST: statsd-exporter
       KARAPACE_STATSD_PORT: 8125
-      KARAPACE_KAFKA_SCHEMA_READER_STRICT_MODE: false
-      KARAPACE_KAFKA_RETRIABLE_ERRORS_SILENCED: true
+      KARAPACE_KAFKA_SCHEMA_READER_STRICT_MODE: "false"
+      KARAPACE_KAFKA_RETRIABLE_ERRORS_SILENCED: "true"
 
   prometheus:
     image: prom/prometheus