diff --git a/src/libutil/current-process.cc b/src/libutil/current-process.cc
index 352a6a0..7435f58 100644
--- a/src/libutil/current-process.cc
+++ b/src/libutil/current-process.cc
@@ -35,6 +35,8 @@ unsigned int getMaxCPU()
 
         auto cpuMax = readFile(cpuFile);
         auto cpuMaxParts = tokenizeString<std::vector<std::string>>(cpuMax, " \n");
+        if (cpuMaxParts.size() != 2)
+        	return 0;
         auto quota = cpuMaxParts[0];
         auto period = cpuMaxParts[1];
         if (quota != "max")