diff --git a/Formula/i/inspectrum.rb b/Formula/i/inspectrum.rb
index d957aba0f5e195..aa0d61f5cb25e7 100644
--- a/Formula/i/inspectrum.rb
+++ b/Formula/i/inspectrum.rb
@@ -18,6 +18,7 @@ class Inspectrum < Formula
 
   depends_on "cmake" => :build
   depends_on "pkg-config" => :build
+
   depends_on "fftw"
   depends_on "liquid-dsp"
   depends_on "qt@5"
@@ -25,15 +26,15 @@ class Inspectrum < Formula
   fails_with gcc: "5"
 
   def install
-    mkdir "build" do
-      system "cmake", "..", *std_cmake_args
-      system "make", "install"
-    end
+    system "cmake", "-S", ".", "-B", "build", *std_cmake_args
+    system "cmake", "--build", "build"
+    system "cmake", "--install", "build"
   end
 
   test do
     return if OS.linux? && ENV["HOMEBREW_GITHUB_ACTIONS"]
 
+    # inspectrum is a GUI application
     assert_match "-r, --rate <Hz>     Set sample rate.", shell_output("#{bin}/inspectrum -h").strip
   end
 end