diff --git a/testhal/TIVA/multi/PAL/Makefile-tm4c123g_launchpad b/testhal/TIVA/multi/PAL/Makefile-tm4c123g_launchpad
index 48854ce3..112666c8 100644
--- a/testhal/TIVA/multi/PAL/Makefile-tm4c123g_launchpad
+++ b/testhal/TIVA/multi/PAL/Makefile-tm4c123g_launchpad
@@ -147,7 +147,7 @@ TCPPSRC =
 ASMSRC = $(ALLASMSRC)
 ASMXSRC = $(ALLXASMSRC)
 
-INCDIR = $(ALLINC) $(TESTINC)
+INCDIR = $(ALLINC) $(CONFDIR)
 
 #
 # Project, sources and paths
diff --git a/testhal/TIVA/multi/PAL/Makefile-tm4c1294_launchpad b/testhal/TIVA/multi/PAL/Makefile-tm4c1294_launchpad
index e5c3fc95..0fec94b7 100644
--- a/testhal/TIVA/multi/PAL/Makefile-tm4c1294_launchpad
+++ b/testhal/TIVA/multi/PAL/Makefile-tm4c1294_launchpad
@@ -147,7 +147,7 @@ TCPPSRC =
 ASMSRC = $(ALLASMSRC)
 ASMXSRC = $(ALLXASMSRC)
 
-INCDIR = $(ALLINC) $(TESTINC)
+INCDIR = $(ALLINC) $(CONFDIR)
 
 #
 # Project, sources and paths