diff --git a/dist/index.js b/dist/index.js
index 28dc050..46a8631 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -280,7 +280,7 @@ class DotnetCoreInstaller {
                 let command = `& '${escapedScript}'`;
                 command += ` ${versionObject.type} ${versionObject.value}`;
                 if (this.quality) {
-                    command += `${this.resolveQuality(versionObject).type} ${this.resolveQuality(versionObject).value}`;
+                    command += ` ${this.resolveQuality(versionObject).type} ${this.resolveQuality(versionObject).value}`;
                 }
                 if (process.env['https_proxy'] != null) {
                     command += ` -ProxyAddress ${process.env['https_proxy']}`;
@@ -350,6 +350,7 @@ class DotnetCoreInstaller {
         }
         else {
             core.warning("Input 'dotnet-quality' can't be used with the specified exact version of .NET. 'dotnet-quality' input will be ignored.");
+            this.quality = "";
         }
         return resolvedArgument;
     }
diff --git a/src/installer.ts b/src/installer.ts
index ad40050..d832f67 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -116,7 +116,7 @@ export class DotnetCoreInstaller {
       command += ` ${versionObject.type} ${versionObject.value}`;
 
       if (this.quality) {
-        command += `${this.resolveQuality(versionObject).type} ${
+        command += ` ${this.resolveQuality(versionObject).type} ${
           this.resolveQuality(versionObject).value
         }`;
       }
@@ -209,6 +209,7 @@ export class DotnetCoreInstaller {
       core.warning(
         "Input 'dotnet-quality' can't be used with the specified exact version of .NET. 'dotnet-quality' input will be ignored."
       );
+      this.quality = "";
     }
     return resolvedArgument;
   }