diff --git a/src/buildExec.ts b/src/buildExec.ts
index 20b53243b..881e5aeed 100644
--- a/src/buildExec.ts
+++ b/src/buildExec.ts
@@ -91,7 +91,7 @@ const buildExec = () => {
     execArgs.push('-e', envVarsArg.join(','));
   }
   if (functionalities) {
-    functionalities.split(',').forEach((f) => {
+    functionalities.split(',').map((f) => f.trim()).forEach((f) => {
       execArgs.push('-X', `${f}`);
     });
   }
@@ -102,12 +102,12 @@ const buildExec = () => {
     execArgs.push('-f', `${file}`);
   }
   if (files) {
-    files.split(',').forEach((f) => {
+    files.split(',').map((f) => f.trim()).forEach((f) => {
       execArgs.push('-f', `${f}`);
     });
   }
   if (flags) {
-    flags.split(',').forEach((f) => {
+    flags.split(',').map((f) => f.trim()).forEach((f) => {
       execArgs.push('-F', `${f}`);
     });
   }