diff --git a/src/rules/file/strictMacroDefinition.spec.ts b/src/rules/file/strictMacroDefinition.spec.ts
index ac7e982..1b62fb7 100644
--- a/src/rules/file/strictMacroDefinition.spec.ts
+++ b/src/rules/file/strictMacroDefinition.spec.ts
@@ -114,6 +114,11 @@ describe('strictMacroDefinition', () => {
   })
 
   describe('multi-content macro declarations', () => {
+    it('should return an empty array when the content has correct macro definition syntax', () => {
+      const content = `%macro mp_ds2cards(base_ds=, tgt_ds=\n    ,cards_file="%sysfunc(pathname(work))/cardgen.sas"\n    ,maxobs=max\n    ,random_sample=NO\n    ,showlog=YES\n    ,outencoding=\n    ,append=NO\n)/*/STORE SOURCE*/;`
+      expect(strictMacroDefinition.test(content)).toEqual([])
+    })
+
     it('should return an array with a single diagnostic when Macro definition has space in param', () => {
       const content = `%macro 
        somemacro(va r1);`
diff --git a/src/rules/file/strictMacroDefinition.ts b/src/rules/file/strictMacroDefinition.ts
index cc4db97..b5954bf 100644
--- a/src/rules/file/strictMacroDefinition.ts
+++ b/src/rules/file/strictMacroDefinition.ts
@@ -32,12 +32,12 @@ const test = (value: string, config?: LintConfig) => {
   macros.forEach((macro) => {
     const declaration = macro.declaration
 
-    const regExpParams = new RegExp(/\((.*?)\)/)
+    const regExpParams = new RegExp(/(?<=\().*(?=\))/)
     const regExpParamsResult = regExpParams.exec(declaration)
 
     let _declaration = declaration
     if (regExpParamsResult) {
-      const paramsPresent = regExpParamsResult[1]
+      const paramsPresent = regExpParamsResult[0]
 
       const paramsTrimmed = paramsPresent.trim()
       const params = paramsTrimmed.split(',')