diff --git a/LogarithmPlotter/util/latex.py b/LogarithmPlotter/util/latex.py
index f0a76e0..0ce5b91 100644
--- a/LogarithmPlotter/util/latex.py
+++ b/LogarithmPlotter/util/latex.py
@@ -68,14 +68,12 @@ class Latex(QObject):
         Checks if the current latex installation is valid.
         """
         if LATEX_PATH is None:
-            if "--test-build" in argv:
-                print("No Latex installation found.")
-            else:
+            print("No Latex installation found.")
+            if "--test-build" not in argv:
                 QMessageBox.warning(None, "LogarithmPlotter - Latex setup", QCoreApplication.translate("latex", "No Latex installation found.\nIf you already have a latex distribution installed, make sure it's installed on your path.\nOtherwise, you can download a Latex distribution like TeX Live at https://tug.org/texlive/."))
         elif DVIPNG_PATH is None:
-            if "--test-build" in argv:
-                print("DVIPNG not found.")
-            else:
+            print("DVIPNG not found.")
+            if "--test-build" not in argv:
                 QMessageBox.warning(None, "LogarithmPlotter - Latex setup", QCoreApplication.translate("latex", "DVIPNG was not found. Make sure you include it from your Latex distribution."))    
     
     @Property(bool)