diff --git a/tools/rexm/rexm.c b/tools/rexm/rexm.c
index 48a621115..d54760023 100644
--- a/tools/rexm/rexm.c
+++ b/tools/rexm/rexm.c
@@ -1572,13 +1572,13 @@ int main(int argc, char *argv[])
                     "    SaveFileText(\"outputLogFileName\", logText);\n"
                     "    emscripten_run_script(\"saveFileFromMEMFSToDisk('outputLogFileName','outputLogFileName')\");\n\n"
                     "    return 0";
-                char *returnReplaceTextUpdated = TextReplacEx(returnReplaceText, "outputLogFileName", TextFormat("%s.log", exName));
+                char *returnReplaceTextUpdated = TextReplaceAlloc(returnReplaceText, "outputLogFileName", TextFormat("%s.log", exName));
 
                 char *srcTextUpdated[4] = { 0 };
-                srcTextUpdated[0] = TextReplacEx(srcText, "int main(void)\n{", mainReplaceText);
-                srcTextUpdated[1] = TextReplacEx(srcTextUpdated[0], "WindowShouldClose()", "WindowShouldClose() && (testFramesCount < requestedTestFrames)");
-                srcTextUpdated[2] = TextReplacEx(srcTextUpdated[1], "EndDrawing();", "EndDrawing(); testFramesCount++;");
-                srcTextUpdated[3] = TextReplacEx(srcTextUpdated[2], "    return 0", returnReplaceTextUpdated);
+                srcTextUpdated[0] = TextReplaceAlloc(srcText, "int main(void)\n{", mainReplaceText);
+                srcTextUpdated[1] = TextReplaceAlloc(srcTextUpdated[0], "WindowShouldClose()", "WindowShouldClose() && (testFramesCount < requestedTestFrames)");
+                srcTextUpdated[2] = TextReplaceAlloc(srcTextUpdated[1], "EndDrawing();", "EndDrawing(); testFramesCount++;");
+                srcTextUpdated[3] = TextReplaceAlloc(srcTextUpdated[2], "    return 0", returnReplaceTextUpdated);
                 MemFree(returnReplaceTextUpdated);
                 UnloadFileText(srcText);
 
@@ -1628,9 +1628,9 @@ int main(int argc, char *argv[])
                     "    if ((argc > 1) && (argc == 3) && (strcmp(argv[1], \"--frames\") != 0)) requestedTestFrames = atoi(argv[2]);\n";
 
                 char *srcTextUpdated[3] = { 0 };
-                srcTextUpdated[0] = TextReplacEx(srcText, "int main(void)\n{", mainReplaceText);
-                srcTextUpdated[1] = TextReplacEx(srcTextUpdated[0], "WindowShouldClose()", "WindowShouldClose() && (testFramesCount < requestedTestFrames)");
-                srcTextUpdated[2] = TextReplacEx(srcTextUpdated[1], "EndDrawing();", "EndDrawing(); testFramesCount++;");
+                srcTextUpdated[0] = TextReplaceAlloc(srcText, "int main(void)\n{", mainReplaceText);
+                srcTextUpdated[1] = TextReplaceAlloc(srcTextUpdated[0], "WindowShouldClose()", "WindowShouldClose() && (testFramesCount < requestedTestFrames)");
+                srcTextUpdated[2] = TextReplaceAlloc(srcTextUpdated[1], "EndDrawing();", "EndDrawing(); testFramesCount++;");
                 UnloadFileText(srcText);
 
                 SaveFileText(TextFormat("%s/%s/%s.c", exBasePath, exCategory, exName), srcTextUpdated[2]);