diff --git a/tools/compute-hops/CMakeLists.txt b/tools/compute-hops/CMakeLists.txt
index cfc69e51..9d21d7ea 100644
--- a/tools/compute-hops/CMakeLists.txt
+++ b/tools/compute-hops/CMakeLists.txt
@@ -9,5 +9,5 @@ if(NOT CONFIG_INJECTIONPOINT_HOPS)
 endif()
 
 add_executable(compute-hops main.cc ${SRCS})
-target_link_libraries(compute-hops ${PROTOBUF_LIBRARY} fail-util fail-comm)
+target_link_libraries(compute-hops ${PROTOBUF_LIBRARY} fail-util fail-comm procps)
 install(TARGETS compute-hops RUNTIME DESTINATION bin)
diff --git a/tools/compute-hops/ResultCollector.cc b/tools/compute-hops/ResultCollector.cc
index 11c5ccec..e69d5bb9 100644
--- a/tools/compute-hops/ResultCollector.cc
+++ b/tools/compute-hops/ResultCollector.cc
@@ -17,7 +17,7 @@
 
 #include "comm/InjectionPointHopsMessage.pb.h"
 
-// #include <proc/readproc.h>
+#include <proc/readproc.h>
 
 using std::hex;
 using std::dec;
@@ -153,9 +153,9 @@ ResultCollector::stopTimer()
 void
 ResultCollector::setMaxMemUsage()
 {
-//	struct proc_t usage;
-//	look_up_our_self(&usage);
-//	m_mem_usage = usage.vsize;
+	struct proc_t usage;
+	look_up_our_self(&usage);
+	m_mem_usage = usage.vsize;
 }
 
 void