diff --git a/web/src/services/Assertion.service.ts b/web/src/services/Assertion.service.ts
index acec18d9a8..2c9f39e132 100644
--- a/web/src/services/Assertion.service.ts
+++ b/web/src/services/Assertion.service.ts
@@ -18,7 +18,7 @@ const AssertionService = () => ({
     if (!input) return input;
     const formatted = input.trim();
 
-    if (isJson(input)) return `'${input}'`;
+    if (isJson(input)) return `'${this.escapeString(input, `'`)}'`;
 
     if (Object.values(Attributes).includes(formatted)) return formatted;
     if (Object.values(Attributes).some(aa => formatted.includes(aa))) return formatted;
@@ -29,7 +29,28 @@ const AssertionService = () => ({
     return isQuoted ? formatted : this.quotedString(formatted);
   },
   quotedString(str: string): string {
-    return `\"${str}\"`;
+    return `\"${this.escapeString(str, `"`)}\"`;
+  },
+  escapeString(str: string, quoteCharacter: string): string {
+    // Couldn't find a regex to solve this problem :(
+    // Feel free to refactor this if you know how to escape quotes without
+    // double escaping already escaped quotes.
+    //
+    // Examples:
+    // ' ==> \\'
+    // \\' ==> \\'
+    let newString = '';
+    let lastCharacter = '';
+    for (let i = 0; i < str.length; i++) {
+      if (str[i] == quoteCharacter && lastCharacter != '\\') {
+        newString += `\\${quoteCharacter}`;
+      } else {
+        newString += str[i];
+      }
+
+      lastCharacter = str[i];
+    }
+    return newString;
   },
   getSpanIds(resultList: TRawAssertionResult[]) {
     const spanIds = resultList
diff --git a/web/src/services/__tests__/Assertion.service.test.ts b/web/src/services/__tests__/Assertion.service.test.ts
index 8b3da14038..c122a1cf10 100644
--- a/web/src/services/__tests__/Assertion.service.test.ts
+++ b/web/src/services/__tests__/Assertion.service.test.ts
@@ -39,4 +39,17 @@ describe('AssertionService', () => {
       expect(result).toEqual([id1, id2, id3]);
     });
   });
+  describe('escapeString', () => {
+    it('should escape simple quotes', () => {
+      const {escapeString} = AssertionService
+      const escaped = escapeString(`'This should be escaped'`, `'`);
+      expect(escaped).toBe(`\\'This should be escaped\\'`);
+    })
+
+    it('should not escape already escaped string', () => {
+      const {escapeString} = AssertionService
+      const escaped = escapeString(`\\'This should be escaped\\'`, `'`);
+      expect(escaped).toBe(`\\'This should be escaped\\'`);
+    })
+  });
 });