diff --git a/tests/gens/api-generator.in b/tests/gens/api-generator.in
index c36c05d610dab5c751a907066f0ebcea4b8c2d09..4e8d6bee1871ee171e53f45670c1da00b9d9c8b0 100644
--- a/tests/gens/api-generator.in
+++ b/tests/gens/api-generator.in
@@ -44,8 +44,8 @@ LIBS="-Xlinker --no-as-needed -lnanox-ompss -lnanox -lnanox-c -Xlinker --as-need
 
 # Common to all versions
 cat << EOF
-test_CC=@CC@
-test_CXX=@CXX@
+test_CC="@CC@"
+test_CXX="@CXX@"
 EOF
 
 # Specific to each version
diff --git a/tests/gens/api-omp-generator.in b/tests/gens/api-omp-generator.in
index bfb37d645d25b0e48716534b14683ad9cd07d207..9e1b6d7e9be6a5dd7d306e93c7224fdbbc783486 100644
--- a/tests/gens/api-omp-generator.in
+++ b/tests/gens/api-omp-generator.in
@@ -49,8 +49,8 @@ LIBS="-Xlinker --no-as-needed -lnanox-omp -lnanox -lnanox-c -Xlinker --as-needed
 
 # Common to all versions
 cat << EOF
-test_CC=@CC@
-test_CXX=@CXX@
+test_CC="@CC@"
+test_CXX="@CXX@"
 EOF
 
 # Specific to each version
diff --git a/tests/gens/core-generator.in b/tests/gens/core-generator.in
index efe8d546b9b670fbfa8a078a144075d9603738f6..65938be3d58bf99e03ab5e298e41cfb462bffaa2 100644
--- a/tests/gens/core-generator.in
+++ b/tests/gens/core-generator.in
@@ -50,8 +50,8 @@ LIBS="-Xlinker --no-as-needed -lnanox-ompss -lnanox -lnanox-c -Xlinker --as-need
 
 # Common to all versions
 cat << EOF
-test_CC=@CC@
-test_CXX=@CXX@
+test_CC="@CC@"
+test_CXX="@CXX@"
 EOF
 
 # Specific to each version
diff --git a/tests/gens/mcc-ompss-generator.in b/tests/gens/mcc-ompss-generator.in
index 33e1a32207a20b839300587764c9d4da5e8d0ffc..d7f3a24a15381151cb4b8415c06e49599accc1e9 100644
--- a/tests/gens/mcc-ompss-generator.in
+++ b/tests/gens/mcc-ompss-generator.in
@@ -45,8 +45,8 @@ PLUGINS="@PLUGINS@"
 
 # Common to all versions
 cat << EOF
-test_CC=@MCC@
-test_CXX=@MCXX@
+test_CC="@MCC@"
+test_CXX="@MCXX@"
 EOF
 
 # Specific to each version
diff --git a/tests/gens/mcc-openmp-generator.in b/tests/gens/mcc-openmp-generator.in
index 0b5299c4fa05f90131216bcd24859e6e5d45f402..529d631692bddb4b97cbc1169330de0cd58dcdbd 100644
--- a/tests/gens/mcc-openmp-generator.in
+++ b/tests/gens/mcc-openmp-generator.in
@@ -36,8 +36,8 @@ PLUGINS="@PLUGINS@"
 
 # Common to all versions
 cat << EOF
-test_CC=@MCC@
-test_CXX=@MCXX@
+test_CC="@MCC@"
+test_CXX="@MCXX@"
 EOF
 
 # Specific to each version
diff --git a/tests/gens/opencl-generator.in b/tests/gens/opencl-generator.in
index 18c76a362630c2d6ead3353715f4773edf53d75c..898a8307771861a691a022343bebe4239bb1c236 100644
--- a/tests/gens/opencl-generator.in
+++ b/tests/gens/opencl-generator.in
@@ -53,8 +53,8 @@ LIBS="-Xlinker --no-as-needed -lnanox-ompss -lnanox -lnanox-c -lnanox-opencl-api
 
 # Common to all versions
 cat << EOF
-test_CC=@CC@
-test_CXX=@CXX@
+test_CC="@CC@"
+test_CXX="@CXX@"
 EOF
 
 # Specific to each version