diff --git a/dpdk-thunderx.changes b/dpdk-thunderx.changes
index 48b1607..ace5eb7 100644
--- a/dpdk-thunderx.changes
+++ b/dpdk-thunderx.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug 29 09:59:13 UTC 2018 - marco.varlese@suse.com
+
+- Fixed a syntax error affecting csh environment configuration(bsc#1102310)
+
 -------------------------------------------------------------------
 Mon Jun 18 06:21:21 UTC 2018 - marco.varlese@suse.com
 
diff --git a/dpdk-thunderx.spec b/dpdk-thunderx.spec
index 51a71a5..88bd84c 100644
--- a/dpdk-thunderx.spec
+++ b/dpdk-thunderx.spec
@@ -321,7 +321,7 @@ fi
 EOF
 
 cat << EOF > %{buildroot}/%{_sysconfdir}/profile.d/dpdk-sdk-%{_arch}.csh
-if ( ! \$RTE_SDK ) then
+if ( ! \${?RTE_SDK} ) then
     setenv RTE_SDK "%{sdkdir}"
     setenv RTE_TARGET "%{target}"
     setenv RTE_INCLUDE "%{incdir}"
diff --git a/dpdk.changes b/dpdk.changes
index 48b1607..ace5eb7 100644
--- a/dpdk.changes
+++ b/dpdk.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug 29 09:59:13 UTC 2018 - marco.varlese@suse.com
+
+- Fixed a syntax error affecting csh environment configuration(bsc#1102310)
+
 -------------------------------------------------------------------
 Mon Jun 18 06:21:21 UTC 2018 - marco.varlese@suse.com
 
diff --git a/dpdk.spec b/dpdk.spec
index bc55b64..781ded4 100644
--- a/dpdk.spec
+++ b/dpdk.spec
@@ -319,7 +319,7 @@ fi
 EOF
 
 cat << EOF > %{buildroot}/%{_sysconfdir}/profile.d/dpdk-sdk-%{_arch}.csh
-if ( ! \$RTE_SDK ) then
+if ( ! \${?RTE_SDK} ) then
     setenv RTE_SDK "%{sdkdir}"
     setenv RTE_TARGET "%{target}"
     setenv RTE_INCLUDE "%{incdir}"