diff --git a/CMakeLists.txt b/CMakeLists.txt
index 90ebd1e5b..1e6cf45bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,6 +34,8 @@ option(SLIC3R_PERL_XS           "Compile XS Perl module and enable Perl unit and
 option(SLIC3R_ASAN              "Enable ASan on Clang and GCC" 0)
 option(SLIC3R_SYNTAXONLY        "Only perform source code correctness checking, no binary output (UNIX only)" 0)
 
+set(SLIC3R_GTK "2" CACHE STRING "GTK version to use with wxWidgets on Linux")
+
 # Proposal for C++ unit tests and sandboxes
 option(SLIC3R_BUILD_SANDBOXES   "Build development sandboxes" OFF)
 option(SLIC3R_BUILD_TESTS       "Build unit tests" OFF)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index aae3436ae..a6ae94391 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -60,6 +60,7 @@ if (SLIC3R_GUI)
     endif()
 
     if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+        set (wxWidgets_CONFIG_OPTIONS "--toolkit=gtk${SLIC3R_GTK}")
         if (SLIC3R_WX_STABLE)
             find_package(wxWidgets 3.0 REQUIRED COMPONENTS base core adv html gl)
         else ()