diff --git a/standalone_app/src/sqlite3.ts b/standalone_app/src/sqlite3.ts
index c9f2c13d..3a04c163 100644
--- a/standalone_app/src/sqlite3.ts
+++ b/standalone_app/src/sqlite3.ts
@@ -279,18 +279,7 @@ const paramInternalValueToExternalValue = (
 
 const parseDistributionJSON = (t: string): Distribution => {
   const parsed = JSON.parse(t)
-  const floatDistributionList = [
-    "FloatDistribution",
-    "UniformDistribution",
-    "LogUniformDistribution",
-    "DiscreteUniformDistribution",
-  ]
-  const intDistributionList = [
-    "IntDistribution",
-    "IntUniformDistribution",
-    "IntLogUniformDistribution",
-  ]
-  if (floatDistributionList.includes(parsed.name)) {
+  if (parsed.name === "FloatDistribution") {
     return {
       type: "FloatDistribution",
       low: parsed.attributes.low as number,
@@ -298,7 +287,31 @@ const parseDistributionJSON = (t: string): Distribution => {
       step: parsed.attributes.step as number,
       log: parsed.attributes.log as boolean,
     }
-  } else if (intDistributionList.includes(parsed.name)) {
+  } else if (parsed.name === "UniformDistribution") {
+    return {
+      type: "FloatDistribution",
+      low: parsed.attributes.low as number,
+      high: parsed.attributes.high as number,
+      step: null,
+      log: false,
+    }
+  } else if (parsed.name === "LogUniformDistribution") {
+    return {
+      type: "FloatDistribution",
+      low: parsed.attributes.low as number,
+      high: parsed.attributes.high as number,
+      step: null,
+      log: true,
+    }
+  } else if (parsed.name === "DiscreteUniformDistribution") {
+    return {
+      type: "FloatDistribution",
+      low: parsed.attributes.low as number,
+      high: parsed.attributes.high as number,
+      step: parsed.attributes.q,
+      log: false,
+    }
+  } else if (parsed.name === "IntDistribution") {
     return {
       type: "IntDistribution",
       low: parsed.attributes.low as number,
@@ -306,6 +319,22 @@ const parseDistributionJSON = (t: string): Distribution => {
       step: parsed.attributes.step as number,
       log: parsed.attributes.log as boolean,
     }
+  } else if (parsed.name === "IntUniformDistribution") {
+    return {
+      type: "IntDistribution",
+      low: parsed.attributes.low as number,
+      high: parsed.attributes.high as number,
+      step: parsed.attributes.step as number,
+      log: false,
+    }
+  } else if (parsed.name === "IntLogUniformDistribution") {
+    return {
+      type: "IntDistribution",
+      low: parsed.attributes.low as number,
+      high: parsed.attributes.high as number,
+      step: parsed.attributes.step as number,
+      log: true,
+    }
   } else {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     const choices = parsed.attributes.choices.map((value: any) => {
diff --git a/standalone_app/src/types/index.d.ts b/standalone_app/src/types/index.d.ts
index 14daaaca..da00a7aa 100644
--- a/standalone_app/src/types/index.d.ts
+++ b/standalone_app/src/types/index.d.ts
@@ -10,7 +10,7 @@ type FloatDistribution = {
   type: "FloatDistribution"
   low: number
   high: number
-  step: number
+  step: number | null
   log: boolean
 }
 
@@ -18,7 +18,7 @@ type IntDistribution = {
   type: "IntDistribution"
   low: number
   high: number
-  step: number
+  step: number | null
   log: boolean
 }