diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
--- a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
@@ -1895,7 +1895,7 @@
       !ShapedType::isDynamic(expectedOffset) &&
       resultOffset != expectedOffset)
     return emitError("expected result type with offset = ")
-           << resultOffset << " instead of " << expectedOffset;
+           << expectedOffset << " instead of " << resultOffset;
 
   // Match strides in result memref type and in static_strides attribute.
   for (auto [idx, resultStride, expectedStride] :
diff --git a/mlir/test/Dialect/MemRef/invalid.mlir b/mlir/test/Dialect/MemRef/invalid.mlir
--- a/mlir/test/Dialect/MemRef/invalid.mlir
+++ b/mlir/test/Dialect/MemRef/invalid.mlir
@@ -179,7 +179,7 @@
 // -----
 
 func.func @memref_reinterpret_cast_offset_mismatch(%in: memref<?xf32>) {
-  // expected-error @+1 {{expected result type with offset = 2 instead of 1}}
+  // expected-error @+1 {{expected result type with offset = 1 instead of 2}}
   %out = memref.reinterpret_cast %in to
            offset: [1], sizes: [10], strides: [1]
          : memref<?xf32> to memref<10xf32, strided<[1], offset: 2>>
@@ -209,7 +209,7 @@
 // -----
 
 func.func @memref_reinterpret_cast_no_map_but_offset(%in: memref<?xf32>) {
-  // expected-error @+1 {{expected result type with offset = 0 instead of 2}}
+  // expected-error @+1 {{expected result type with offset = 2 instead of 0}}
   %out = memref.reinterpret_cast %in to offset: [2], sizes: [10], strides: [1]
          : memref<?xf32> to memref<10xf32>
   return