diff --git a/Valentina.pro b/Valentina.pro
index 066e2f509..81ed324c7 100644
--- a/Valentina.pro
+++ b/Valentina.pro
@@ -16,27 +16,33 @@ count(LIST, 1, >): error("The build will fail. Path '$${OUT_PWD}' contains space
 unix {
     *g++* {
         GCC_VERSION = $$system("g++ -dumpversion")
-        contains(GCC_VERSION, ^8.*$) {
-            message( "g++ version 8.x found" )
-            CONFIG += g++8
+        contains(GCC_VERSION, ^9.*$) {
+            message( "g++ version 9.x found" )
+            CONFIG += g++9
         } else {
-            contains(GCC_VERSION, ^7.*$) {
-                message( "g++ version 7.x found" )
-                CONFIG += g++7
+            GCC_VERSION = $$system("g++ -dumpversion")
+            contains(GCC_VERSION, ^8.*$) {
+                message( "g++ version 8.x found" )
+                CONFIG += g++8
             } else {
-                contains(GCC_VERSION, ^6.*$) {
-                    message( "g++ version 6.x found" )
-                    CONFIG += g++6
+                contains(GCC_VERSION, ^7.*$) {
+                    message( "g++ version 7.x found" )
+                    CONFIG += g++7
                 } else {
-                    contains(GCC_VERSION, ^5.*$) {
-                        message( "g++ version 5.x found" )
-                        CONFIG += g++5
+                    contains(GCC_VERSION, ^6.*$) {
+                        message( "g++ version 6.x found" )
+                        CONFIG += g++6
                     } else {
-                        contains(GCC_VERSION, ^4.*$) {
-                            message( "g++ version 4.x found" )
-                            CONFIG += g++4
+                        contains(GCC_VERSION, ^5.*$) {
+                            message( "g++ version 5.x found" )
+                            CONFIG += g++5
                         } else {
-                            message( "Unknown GCC configuration" )
+                            contains(GCC_VERSION, ^4.*$) {
+                                message( "g++ version 4.x found" )
+                                CONFIG += g++4
+                            } else {
+                                message( "Unknown GCC configuration" )
+                            }
                         }
                     }
                 }