diff --git a/src/parallel/decompose/ptscotchDecomp/Make/options b/src/parallel/decompose/ptscotchDecomp/Make/options
index f3fa4b92b5..3841a34819 100644
--- a/src/parallel/decompose/ptscotchDecomp/Make/options
+++ b/src/parallel/decompose/ptscotchDecomp/Make/options
@@ -3,7 +3,7 @@ sinclude $(RULES)/mplib$(WM_MPLIB)
 
 EXE_INC = \
     $(PFLAGS) $(PINC) \
-    -I$(WM_THIRD_PARTY_DIR)/scotch_5.1.10a/include \
+    -I$(WM_THIRD_PARTY_DIR)/scotch_5.1.10b/include \
     -I/usr/include/scotch \
     -I../decompositionMethods/lnInclude
 
diff --git a/src/parallel/decompose/scotchDecomp/Make/options b/src/parallel/decompose/scotchDecomp/Make/options
index 10374b63c3..287aad462b 100644
--- a/src/parallel/decompose/scotchDecomp/Make/options
+++ b/src/parallel/decompose/scotchDecomp/Make/options
@@ -1,5 +1,5 @@
 EXE_INC = \
-    -I$(WM_THIRD_PARTY_DIR)/scotch_5.1.10a/include \
+    -I$(WM_THIRD_PARTY_DIR)/scotch_5.1.10b/include \
     -I/usr/include/scotch \
     -I../decompositionMethods/lnInclude