diff --git a/dpdk.spec b/dpdk.spec
index 3e61761..fc23e14 100644
--- a/dpdk.spec
+++ b/dpdk.spec
@@ -91,6 +91,9 @@ sed -i 's:^CONFIG_RTE_BUILD_SHARED_LIB=n$:CONFIG_RTE_BUILD_SHARED_LIB=y:g' confi
 
 
 %build
+# In case dpdk-devel is installed, we should ignore its hints about the SDK directories
+unset RTE_SDK RTE_INCLUDE RTE_TARGET
+
 # For the release, '-Wno-error=array-bounds' is done to prevent a spurious error
 # generated by gcc 5.X against the 2.1 branch
 export EXTRA_CFLAGS="%{optflags} -Wformat -fPIC -Wno-error=array-bounds"