diff --git a/keyboards/ibm/model_m/mschwingen/matrix.c b/keyboards/ibm/model_m/mschwingen/matrix.c
index 8f120f0e4e32..361803edec42 100644
--- a/keyboards/ibm/model_m/mschwingen/matrix.c
+++ b/keyboards/ibm/model_m/mschwingen/matrix.c
@@ -60,7 +60,7 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
     row_data = spi_read() << 8;
     row_data |= spi_read();
 
-    dprint("%02X ", ~row_data);
+    dprintf("%02X ", ~row_data);
 
     // For each row...
     for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {