diff --git a/Valentina.pro b/Valentina.pro
index c3e50aa69..86f7dc1fa 100644
--- a/Valentina.pro
+++ b/Valentina.pro
@@ -16,19 +16,19 @@ count(LIST, 1, >): error("The build will fail. Path '$${OUT_PWD}' contains space
 unix {
     *-g++ {
         GCC_VERSION = $$system("g++ -dumpversion")
-        contains(GCC_VERSION, 7.[0-9]) {
+        contains(GCC_VERSION, ^7.*$) {
             message( "g++ version 7.x found" )
             CONFIG += g++7
         } else {
-            contains(GCC_VERSION, 6.[0-9]) {
+            contains(GCC_VERSION, ^6.*$) {
                 message( "g++ version 6.x found" )
                 CONFIG += g++6
             } else {
-                contains(GCC_VERSION, 5.[0-9]) {
+                contains(GCC_VERSION, ^5.*$) {
                     message( "g++ version 5.x found" )
                     CONFIG += g++5
                 } else {
-                    contains(GCC_VERSION, 4.[0-9]) {
+                    contains(GCC_VERSION, ^4.*$) {
                         message( "g++ version 4.x found" )
                         CONFIG += g++4
                     } else {