diff --git a/script/detect_gcc b/script/detect_gcc
index af58d7c7793c84a9ff809b8ab45d2ca5e688578d..afd3cc7aedfdc4e3c32fa9368b877fb93bb3303f 100755
--- a/script/detect_gcc
+++ b/script/detect_gcc
@@ -2,7 +2,7 @@
 
 function gpp_clang()
 {
-    if [ x"$dgc_compiler" == g++ ]; then
+    if [ x"$dgc_compiler" == x"g++" ]; then
         CXX=g++
         CC=gcc
         F77=gfortran