diff --git a/StabilityMatrix.Core/Python/PipInstallArgs.cs b/StabilityMatrix.Core/Python/PipInstallArgs.cs
index 9359f4ec..558a7db8 100644
--- a/StabilityMatrix.Core/Python/PipInstallArgs.cs
+++ b/StabilityMatrix.Core/Python/PipInstallArgs.cs
@@ -31,7 +31,8 @@ public record PipInstallArgs : ProcessArgsBuilder
         var requirementsEntries = requirements
             .SplitLines(StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries)
             .Where(s => !s.StartsWith('#'))
-            .Select(s => s.Contains('#') ? s.Substring(0, s.IndexOf('#')) : s);
+            .Select(s => s.Contains('#') ? s.Substring(0, s.IndexOf('#')) : s)
+            .Where(s => !string.IsNullOrWhiteSpace(s));
 
         if (excludePattern is not null)
         {