diff --git a/BioArchLinux/modeltest-gui/PKGBUILD b/BioArchLinux/modeltest-gui/PKGBUILD
index a830dc2cec..a93c8e7289 100644
--- a/BioArchLinux/modeltest-gui/PKGBUILD
+++ b/BioArchLinux/modeltest-gui/PKGBUILD
@@ -19,7 +19,7 @@ prepare(){
 build(){
   cd ${srcdir}/modeltest/
   mkdir build && cd build
-  cmake cmake -DUSE_GUI=ON ..
+  cmake -DUSE_GUI=ON ..
   make
 }
 package() {