diff --git a/etc/config.csh/settings b/etc/config.csh/settings
index 55d100610c..d5922e0f08 100644
--- a/etc/config.csh/settings
+++ b/etc/config.csh/settings
@@ -150,7 +150,7 @@ setenv FOAM_APPBIN $WM_PROJECT_DIR/platforms/$WM_OPTIONS/bin
 setenv FOAM_LIBBIN $WM_PROJECT_DIR/platforms/$WM_OPTIONS/lib
 
 # External (ThirdParty) libraries
-setenv FOAM_EXT_LIBBIN $WM_THIRD_PARTY_DIR/platforms/$WM_OPTIONS/lib
+setenv FOAM_EXT_LIBBIN $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/lib
 
 # Site-specific directory
 if ( $?WM_PROJECT_SITE ) then
diff --git a/etc/config.sh/settings b/etc/config.sh/settings
index aff65057c3..cf520d6a8e 100644
--- a/etc/config.sh/settings
+++ b/etc/config.sh/settings
@@ -148,7 +148,7 @@ export FOAM_APPBIN=$WM_PROJECT_DIR/platforms/$WM_OPTIONS/bin
 export FOAM_LIBBIN=$WM_PROJECT_DIR/platforms/$WM_OPTIONS/lib
 
 # External (ThirdParty) libraries
-export FOAM_EXT_LIBBIN=$WM_THIRD_PARTY_DIR/platforms/$WM_OPTIONS/lib
+export FOAM_EXT_LIBBIN=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/lib
 
 # Site-specific directory
 siteDir="${WM_PROJECT_SITE:-$WM_PROJECT_INST_DIR/site}"