diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index 964ff09..43cc03a 100755
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -2954,7 +2954,7 @@
 
     spv::Op opCode = spv::OpNop;
     int libCall = -1;
-    int consumedOperands = operands.size();
+    size_t consumedOperands = operands.size();
     spv::Id typeId0 = 0;
     if (consumedOperands > 0)
         typeId0 = builder.getTypeId(operands[0]);