diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0b72c6e..8515d20 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,7 +29,7 @@ jobs:
           includePaths: 'test/include_path'
           timeout: 2m
           conditionalizePermissions: '1'
-            # disableNL: '1'
+          # disableNL: '1'
       - name: Verify chopped Gobra files
         uses: ./
         with:
@@ -48,6 +48,7 @@ jobs:
         uses: ./
         with:
           packages: 'test/packages_test/test1/'
+          moreJoins: 'impure'
           timeout: 2m
       - name: Verify Gobra files (recursive mode)
         uses: ./
diff --git a/action.yml b/action.yml
index fdf4eeb..8d67cd7 100644
--- a/action.yml
+++ b/action.yml
@@ -91,9 +91,9 @@ inputs:
     required: false
     default: '0'
   moreJoins:
-    description: 'Use a more complete state merging algorithm.'
+    description: 'Specifies if silicon should be run with more joins completely enabled ("all"), disabled ("off"), or only for impure conditionals ("impure").'
     required: false
-    default: '0'
+    default: 'off'
   unsafeWildcardOptimization:
     description: "Perform the optimization described in silicon's PR #756. You must ensure that the necessary conditions for the optimization are met."
     required: false
diff --git a/docker-action/entrypoint.sh b/docker-action/entrypoint.sh
index cee8368..7540df2 100644
--- a/docker-action/entrypoint.sh
+++ b/docker-action/entrypoint.sh
@@ -129,9 +129,7 @@ if [[ $INPUT_CONDITIONALIZEPERMISSIONS -eq 1 ]]; then
 	GOBRA_ARGS="$GOBRA_ARGS --conditionalizePermissions"
 fi
 
-if [[ $INPUT_MOREJOINS -eq 1 ]]; then
-	GOBRA_ARGS="$GOBRA_ARGS --moreJoins"
-fi
+GOBRA_ARGS="$GOBRA_ARGS --moreJoins $INPUT_MOREJOINS"
 
 if [[ $INPUT_OVERFLOW -eq 1 ]]; then
 	GOBRA_ARGS="$GOBRA_ARGS --overflow"