diff --git a/nsprpub/configure b/nsprpub/configure
index 0441cf3f8ce..06239676cc2 100755
--- a/nsprpub/configure
+++ b/nsprpub/configure
@@ -3245,9 +3245,9 @@ EOF
     fi
 
     # do the right thing for panther SDK support
-    if test "NEXT_ROOT"; then
-        CFLAGS="-I$(NEXT_ROOT)/usr/include $CFLAGS"
-        CXXFLAGS="-I$(NEXT_ROOT)/usr/include $CXXFLAGS"
+    if test "$NEXT_ROOT"; then
+        CFLAGS="-I${NEXT_ROOT}/usr/include $CFLAGS"
+        CXXFLAGS="-I${NEXT_ROOT}/usr/include $CXXFLAGS"
     fi
     ;;
 
diff --git a/nsprpub/configure.in b/nsprpub/configure.in
index 02353b105e3..85e9e0d4b68 100644
--- a/nsprpub/configure.in
+++ b/nsprpub/configure.in
@@ -895,9 +895,9 @@ case "$target" in
     fi
 
     # do the right thing for panther SDK support
-    if test "NEXT_ROOT"; then
-        CFLAGS="-I$(NEXT_ROOT)/usr/include $CFLAGS"
-        CXXFLAGS="-I$(NEXT_ROOT)/usr/include $CXXFLAGS"
+    if test "$NEXT_ROOT"; then
+        CFLAGS="-I${NEXT_ROOT}/usr/include $CFLAGS"
+        CXXFLAGS="-I${NEXT_ROOT}/usr/include $CXXFLAGS"
     fi
     ;;