diff --git a/lib/LowerToLLVMPass.cpp b/lib/LowerToLLVMPass.cpp
index 00f769f..764d4ca 100644
--- a/lib/LowerToLLVMPass.cpp
+++ b/lib/LowerToLLVMPass.cpp
@@ -47,10 +47,11 @@ namespace
 
             // Create the format string in C format.
             mlir::Value formatSpecifierString = getOrCreateGlobalString(location, rewriter, "format_specifier",
-                                                                        "%f \0",
+                                                                        llvm::StringRef("%f \0", 4),
                                                                         parentModule);
             // Create the LF format string in C format.
-            mlir::Value newLineString = getOrCreateGlobalString(location, rewriter, "new_line", "\n\0", parentModule);
+            mlir::Value newLineString = getOrCreateGlobalString(location, rewriter, "new_line",
+                                                                llvm::StringRef("\n\0", 2), parentModule);
 
             // Create a loop to print the value in the tensor.
             llvm::SmallVector<mlir::Value, 4> loopIterators;