diff --git a/.github/workflows/interchaintest.yml b/.github/workflows/interchaintest.yml
index cc6b9876..bb2418e0 100644
--- a/.github/workflows/interchaintest.yml
+++ b/.github/workflows/interchaintest.yml
@@ -13,7 +13,7 @@ env:
   GITHUB_TOKEN: ${{ secrets.PAT }}
   TAR_PATH: /tmp/seda-docker-image.tar
   IMAGE_NAME: seda-chaind-e2e
-  SEDA_EXPONENT: 6
+  SEDA_EXPONENT: ${{ secrets.SEDA_EXPONENT_ICT || 18 }}
 
 permissions:
   contents: read
diff --git a/app/params/config.go b/app/params/config.go
index 7279210b..206b4a71 100644
--- a/app/params/config.go
+++ b/app/params/config.go
@@ -38,7 +38,7 @@ var (
 func getSedaExponent() int64 {
 	sedaExponent := os.Getenv("SEDA_EXPONENT")
 	if sedaExponent == "" {
-		return 18 // default value
+		return 18 // default
 	}
 
 	value, err := strconv.Atoi(sedaExponent)
diff --git a/dockerfiles/Dockerfile.e2e b/dockerfiles/Dockerfile.e2e
index 2bd73c68..fca50ffa 100644
--- a/dockerfiles/Dockerfile.e2e
+++ b/dockerfiles/Dockerfile.e2e
@@ -2,6 +2,7 @@
 
 ARG GO_VERSION="1.21"
 ARG RUNNER_IMAGE="alpine:3.17"
+ARG SEDA_EXPONENT="18"
 
 # --------------------------------------------------------
 # Builder
@@ -64,11 +65,12 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
 
 FROM ${RUNNER_IMAGE}
 
-ARG SEDA_EXPONENT
-
 COPY --from=builder /seda-chain/build/seda-chaind /bin/seda-chaind
 
+ARG SEDA_EXPONENT # use default if not set
+ENV SEDA_EXPONENT=${SEDA_EXPONENT}
 ENV HOME /seda-chain
+
 WORKDIR $HOME
 
 EXPOSE 26656 26657 1317 9090