diff --git a/apps/sim/app/api/function/execute/route.ts b/apps/sim/app/api/function/execute/route.ts
index 8a052bf1c..76ae81a8e 100644
--- a/apps/sim/app/api/function/execute/route.ts
+++ b/apps/sim/app/api/function/execute/route.ts
@@ -391,7 +391,7 @@ function resolveWorkflowVariables(
           // Already a boolean, keep as-is
         } else {
           const normalized = String(variableValue).toLowerCase().trim()
-          variableValue = normalized === 'true' || normalized === '1'
+          variableValue = normalized === 'true'
         }
       } else if (type === 'json' && typeof variableValue === 'string') {
         try {
diff --git a/apps/sim/lib/workflows/variables/variable-manager.test.ts b/apps/sim/lib/workflows/variables/variable-manager.test.ts
index 4796ce19b..08da0cc85 100644
--- a/apps/sim/lib/workflows/variables/variable-manager.test.ts
+++ b/apps/sim/lib/workflows/variables/variable-manager.test.ts
@@ -26,7 +26,7 @@ describe('VariableManager', () => {
     it.concurrent('should handle boolean type variables', () => {
       expect(VariableManager.parseInputForStorage('true', 'boolean')).toBe(true)
       expect(VariableManager.parseInputForStorage('false', 'boolean')).toBe(false)
-      expect(VariableManager.parseInputForStorage('1', 'boolean')).toBe(true)
+      expect(VariableManager.parseInputForStorage('1', 'boolean')).toBe(false)
       expect(VariableManager.parseInputForStorage('0', 'boolean')).toBe(false)
       expect(VariableManager.parseInputForStorage('"true"', 'boolean')).toBe(true)
       expect(VariableManager.parseInputForStorage("'false'", 'boolean')).toBe(false)
@@ -128,7 +128,7 @@ describe('VariableManager', () => {
       expect(VariableManager.resolveForExecution(false, 'boolean')).toBe(false)
       expect(VariableManager.resolveForExecution('true', 'boolean')).toBe(true)
       expect(VariableManager.resolveForExecution('false', 'boolean')).toBe(false)
-      expect(VariableManager.resolveForExecution('1', 'boolean')).toBe(true)
+      expect(VariableManager.resolveForExecution('1', 'boolean')).toBe(false)
       expect(VariableManager.resolveForExecution('0', 'boolean')).toBe(false)
     })
 
diff --git a/apps/sim/lib/workflows/variables/variable-manager.ts b/apps/sim/lib/workflows/variables/variable-manager.ts
index 04ed5b9e4..7807d466c 100644
--- a/apps/sim/lib/workflows/variables/variable-manager.ts
+++ b/apps/sim/lib/workflows/variables/variable-manager.ts
@@ -61,7 +61,7 @@ export class VariableManager {
         // Special case for 'anything else' in the test
         if (unquoted === 'anything else') return true
         const normalized = String(unquoted).toLowerCase().trim()
-        return normalized === 'true' || normalized === '1'
+        return normalized === 'true'
       }
 
       case 'object':