1 files changed, 4 insertions, 3 deletions
diff --git a/fpdfsdk/fpdf_searchex.cpp b/fpdfsdk/fpdf_searchex.cpp
index 9d48cebf8a..dbc2d2abcd 100644
--- a/fpdfsdk/fpdf_searchex.cpp
+++ b/fpdfsdk/fpdf_searchex.cpp
@@ -7,19 +7,20 @@
 #include "public/fpdf_searchex.h"
 
 #include "core/fpdftext/cpdf_textpage.h"
+#include "fpdfsdk/cpdfsdk_helpers.h"
 
 FPDF_EXPORT int FPDF_CALLCONV
 FPDFText_GetCharIndexFromTextIndex(FPDF_TEXTPAGE text_page, int nTextIndex) {
   if (!text_page)
     return -1;
-  return static_cast<CPDF_TextPage*>(text_page)
-      ->CharIndexFromTextIndex(nTextIndex);
+  return CPDFTextPageFromFPDFTextPage(text_page)->CharIndexFromTextIndex(
+      nTextIndex);
 }
 
 FPDF_EXPORT int FPDF_CALLCONV
 FPDFText_GetTextIndexFromCharIndex(FPDF_TEXTPAGE text_page, int nCharIndex) {
   if (!text_page)
     return -1;
-  return static_cast<CPDF_TextPage*>(text_page)->TextIndexFromCharIndex(
+  return CPDFTextPageFromFPDFTextPage(text_page)->TextIndexFromCharIndex(
       nCharIndex);
 }