diff --git a/hurricane/cmake_modules/FindFLEX.cmake b/hurricane/cmake_modules/FindFLEX.cmake
index 8eac2f96..643191f0 100644
--- a/hurricane/cmake_modules/FindFLEX.cmake
+++ b/hurricane/cmake_modules/FindFLEX.cmake
@@ -63,7 +63,7 @@ FIND_PROGRAM(FLEX_EXECUTABLE flex DOC "path to the flex executable")
 MARK_AS_ADVANCED(FLEX_EXECUTABLE)
 
 FIND_LIBRARY(FL_LIBRARY NAMES fl
-  PATHS /usr/lib DOC "path to the fl library")
+  PATHS /usr/lib${LIB_SUFFIX} DOC "path to the fl library")
 SET(FLEX_LIBRARIES ${FL_LIBRARY})
 
 IF(FLEX_EXECUTABLE)
diff --git a/hurricane/cmake_modules/FindHURRICANE.cmake b/hurricane/cmake_modules/FindHURRICANE.cmake
index fa6e5afa..3521a1f6 100644
--- a/hurricane/cmake_modules/FindHURRICANE.cmake
+++ b/hurricane/cmake_modules/FindHURRICANE.cmake
@@ -95,7 +95,7 @@ IF(UNIX)
   FIND_LIBRARY(HURRICANE_LIBRARY_PATH
     NAMES hurricane
     PATHS ${CORIOLIS_DIR_SEARCH}
-    PATH_SUFFIXES lib
+    PATH_SUFFIXES lib${LIB_SUFFIX}
     # Help the user find it if we cannot.
     DOC "${HURRICANE_LIBRARY_PATH_DESCRIPTION}"
   )
@@ -111,7 +111,7 @@ IF(UNIX)
   FIND_LIBRARY(HURRICANE_VIEWER_LIBRARY_PATH
     NAMES viewer 
     PATHS ${CORIOLIS_DIR_SEARCH}
-    PATH_SUFFIXES lib
+    PATH_SUFFIXES lib${LIB_SUFFIX}
     # Help the user find it if we cannot.
     DOC "${HURRICANE_LIBRARY_PATH_DESCRIPTION}"
   )
@@ -127,7 +127,7 @@ IF(UNIX)
   FIND_LIBRARY(HURRICANE_PYTHON_LIBRARY_PATH
     NAMES isobar 
     PATHS ${CORIOLIS_DIR_SEARCH}
-    PATH_SUFFIXES lib
+    PATH_SUFFIXES lib${LIB_SUFFIX}
     # Help the user find it if we cannot.
     DOC "${HURRICANE_LIBRARY_PATH_DESCRIPTION}"
   )